1 2005-09-09 Richard Henderson <rth@redhat.com>
4 * dbxout.c: Include expr.h.
5 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6 (dbxout_symbol): Handle DECL_VALUE_EXPR.
7 * Makefile.in (dbxout.o): Add EXPR_H.
9 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
11 PR tree-optimization/23509
12 * tree-cfg.c (replace_uses_by): Use replace_exp.
13 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
14 pointers have name_mem_tag or type_mem_tag set.
16 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
18 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
19 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
20 of wrongly accessing operands.
22 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
24 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
25 * tree-chrec.c: Include tree-scalar-evolution.h.
26 (chrec_convert): Instantiate the base and step before calling
27 scev_probably_wraps_p that would fail on parametric evolutions.
28 Collect all the fails into a single section failed_to_convert,
29 print a diagnostic, and return chrec_dont_know instead of calling
31 * tree-scalar-evolution.c (loop_closed_phi_def): New.
32 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
34 (scev_const_prop): Don't replace the definition of a loop closed ssa
35 phi node by itself, or by another loop closed ssa phi node.
36 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
37 that base and step are defined.
39 2005-09-09 Richard Guenther <rguenther@suse.de>
42 * fold-const.c (fold_ternary): Check truth_value_p before
43 calling invert_truthvalue.
45 2005-09-09 Nick Clifton <nickc@redhat.com>
47 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
48 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
49 dimension of these arrays.
50 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
52 * longlong.h: Only provide a prototype for the __clz_tab[] array
53 if this header has not been included from libgcc2.h.
54 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
56 Provide prototypes for exported functions.
57 Use the __clz_tab[] and __popcount_tab[] arrays provided by
60 2005-09-08 Josh Conner <jconner@apple.com>
64 * expr.c (expand_expr_addr_expr_1): Don't invoke
65 expand_simple_binop for EXPAND_INITIALIZER.
67 2005-09-08 Richard Henderson <rth@redhat.com>
70 * toplev.c (wrapup_global_declaration_1): Split out ...
71 (wrapup_global_declaration_2): ... from ...
72 (wrapup_global_declarations): ... here. Return bool.
73 (check_global_declaration_1): Split out ...
74 (check_global_declarations): from here.
75 (emit_debug_global_declarations): New.
76 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
77 check_global_declaration_1, emit_debug_global_declarations): Declare.
78 * c-decl.c (c_write_global_declarations_1): Don't create a vector
79 of decls. Call wrapup_global_declaration_1,
80 wrapup_global_declaration_2, check_global_declaration_1 directly.
81 (c_write_global_declarations_2): New.
83 (c_write_global_declarations): Call c_write_global_declarations_2.
84 * langhooks.c (write_global_declarations): Call
85 emit_debug_global_declarations.
87 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
88 remove decls that have DECL_RTL_SET_P.
89 * passes.c (rest_of_decl_compilation): Invoke
90 cgraph_varpool_finalize_decl for all but functions.
92 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
94 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
95 the result of a conversion if the new min and max cannot be compared.
97 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
99 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
100 (override_options): Setting s390_sr_alias_set removed.
101 (save_fpr, save_gprs): Set alias set to vararg or frame.
102 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
103 s390_sr_alias_set with get_frame_alias_set ().
104 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
105 get_varargs_alias_set ().
107 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
111 * c-parser.c (c_parser_objc_method_definition): If the next
112 token is not "{", error out and don't start the function.
114 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
116 * tree-vrp.c (extract_range_from_expr): Move the check for non
117 nullness after the check for gimple invariant.
119 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
121 * tree.c (host_integerp, tree_low_cst): Correct function comment.
123 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
126 * config/m32r.md (movmemsi_internal): Canonicalize order of
127 operands in PLUS component of template.
129 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
131 * reload1.c (fixup_eh_region_note): Remove assertion.
132 (fixup_abnormal_edges): Reverted removal of call to
133 find_many_sub_basic_blocks made on 2005-08-31.
135 2005-09-07 Richard Henderson <rth@redhat.com>
137 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
138 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
139 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
140 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
141 rearrange for better packing.
142 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
143 (lookup_cfa_1): Remove inline marker.
144 (cfa_equal_p): Split out of ...
145 (def_cfa_1): ... here. Use INVALID_REGNUM.
146 (build_cfa_loc): Handle !cfa->indirect.
147 (frame_pointer_cfa_offset): New.
148 (dbx_reg_number): Assert register elimination performed; do
149 leaf register remapping.
150 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
151 (eliminate_reg_to_offset): New.
152 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
153 for verifiably local stack frame addresses; re-base to CFA.
154 (mem_loc_descriptor): Remove can_use_fbreg argument.
155 (concat_loc_descriptor, loc_descriptor): Likewise.
156 (containing_function_has_frame_base): Remove.
157 (rtl_for_decl_location): Don't do register elimination or
158 leaf register remapping here.
159 (secname_for_decl): Split out from ..
160 (add_location_or_const_value_attribute): ... here.
161 (convert_cfa_to_loc_list): New.
162 (compute_frame_pointer_to_cfa_displacement): New.
163 (gen_subprogram_die): Use them.
164 * tree.h (frame_base_decl): Remove.
165 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
166 (prologue_stack_adjust): Remove.
167 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
168 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
169 (set_frame_base_location): Remove.
170 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
171 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
172 (vt_add_function_parameters): Don't eliminate_regs.
173 (vt_initialize): Don't create frame_base_decl.
175 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
177 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
178 version of GNU binutils for 4.x and later.
180 2005-09-06 Mark Mitchell <mark@codesourcery.com>
182 * ggc-page.c (ggc_push_context): Remove.
183 (ggc_pop_context): Likewise.
184 * ggc.h (ggc_push_context): Remove.
185 (ggc_pop_context): Likewise.
187 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
190 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
191 returning from an interrupt handler.
193 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
196 * config/arc/arc.c (output_shift): Add check for loop count when
199 2005-09-06 Steven Bosscher <stevenb@suse.de>
201 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
203 (abs_replacement): Likewise.
204 (pass_phiopt): Remove TODO_update_ssa.
206 2005-09-06 Jakub Jelinek <jakub@redhat.com>
209 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
210 if "return with no value, in function returning non-void" warning
212 * tree-cfg.c (execute_warn_function_return): Don't look at
213 RETURN_EXPRs with TREE_NO_WARNING set.
216 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
217 for internal functions doesn't use registers used by global registers
218 variables. Use fewer register parameters if there are global register
221 2005-09-06 Olivier Hainque <hainque@adacore.com>
222 Eric Botcazou <ebotcazou@adacore.com>
225 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
226 when we would be extracting outside its bit span (bitpos+bitsize
227 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
228 Ada unchecked conversions.
230 2005-09-06 Steven Bosscher <stevenb@suse.de>
232 * tree-ssa-pre.c (try_look_through_load): New function.
233 (compute_avail): Use it to try to look through loads for some
234 more useful expressions.
236 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
238 * simplify-rtx.c (simplify_binary_operation_1): Correct the
239 condition for detecting cases like (a&a) and (a^a).
241 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
243 * common.opt: Add option ftree-vect-loop-version.
244 * params.def: Add --param vect-max-version-checks.
245 * doc/invoke.texi: Document ftree-vect-loop-version and
246 --param vect-max-version-checks.
247 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
248 may_misalign_stmts and defines for accessors.
249 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
250 LOOP_VINFO_MAY_MISALIGN_STMTS.
251 (destroy_loop_vec_info): VEC_free for
252 LOOP_VINFO_MAY_MISALIGN_STMTS.
253 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
254 Update documentation.
255 (vect_update_misalignment_for_peel): New.
256 (vect_enhance_data_refs_alignment): Update to choose loop
257 peeling or loop versioning if appropriate for the (potentially)
258 unaligned data references in the loop.
259 (vect_analyze_data_refs_alignment): Remove call to
260 vect_enhance_data_refs_alignment so the checks can be done
262 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
263 and move up call to vect_analyze_data_refs_alignment.
264 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
265 (vect_transform_loop): Add call to loop_version.
267 2005-09-06 Jakub Jelinek <jakub@redhat.com>
269 PR rtl-optimization/23098
270 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
271 * simplify-rtx.c (constant_pool_reference_p): New function.
272 * rtl.h (constant_pool_reference_p): New prototype.
273 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
274 constant_pool_reference_p in condition and
275 avoid_constant_pool_reference in preparation statements.
277 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
279 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
280 STRICT_LOW_PART SETs.
282 2005-09-06 Alan Modra <amodra@bigpond.net.au>
285 * except.c (sjlj_emit_function_enter): Find the function begin
286 note even when it's not in first basic block.
288 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
290 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
291 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
292 * aclocal.m4: Regenerate.
294 2005-09-05 DJ Delorie <dj@redhat.com>
296 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
299 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
301 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
302 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
303 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
304 Follow spelling conventions.
305 * doc/invoke.texi: Follow spelling conventions.
307 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
309 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
310 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
311 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
313 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
316 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
317 (output_stack_adjust): Use gen_tmp_stack_mem.
318 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
319 (sh_set_return_address, sh_allocate_initial_value): Likewise.
320 (sh_get_pr_initial_val): Likewise.
321 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
322 (sh_initialize_trampoline): Likewise. Also use adjust_address.
323 * sh.md (divsi_inv_m0): Use gen_const_mem.
324 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
325 (movdf_i4+1): Use gen_tmp_stack_mem.
326 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
327 (fpu_switch+2): Likewise.
328 (movv4sf_i, movv16sf_i): Use adjust_address.
329 (symGOT_load): Set MEM_NOTRAP_P bit.
331 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
334 * pa.c (emit_move_sequence): Fix typo in last change.
336 2005-09-03 Jakub Jelinek <jakub@redhat.com>
338 PR rtl-optimization/23454
339 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
342 2005-09-03 Richard Henderson <rth@redhat.com>
343 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
346 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
349 2005-09-02 Nicolas Pitre <nico@cam.org>
351 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
352 to bit_count to 32 bits.
354 2005-08-31 Mark Mitchell <mark@codesourcery.com>
357 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
358 generating synthetic loads from volatile lvalues.
360 005-09-02 Nick Clifton <nickc@redhat.com>
362 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
363 __ctzhi2, __clzhi2): New functions.
365 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
368 * tree-nested.c (struct var_map_elt): Mark with GTY.
369 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
371 (lookup_field_for_decl): Allocate new element in GC memory.
372 (lookup_tramp_for_decl): Likewise.
373 (convert_nl_goto_reference): Likewise
374 (create_nesting_tree): Allocate info in GC memory. Likewise for
376 (free_nesting_tree): Free with ggc_free instead of free.
377 (root): New static variable.
378 (lower_nested_functions): Remove root as local variable. And zero out
379 root at the end of the function.
381 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
383 PR rtl-optimization/20365
384 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
385 to short. New member ix.
386 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
387 (simplify_plus_minus): Initialize ix members before calling qsort.
389 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
391 PR tree-optimization/23626
392 * tree-cfg.c (replace_uses_by): Clean up eh info.
394 2005-09-01 DJ Delorie <dj@redhat.com>
396 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
399 2005-09-01 David Edelsohn <edelsohn@gnu.org>
401 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
402 (rs6000_split_multireg_move): Use replace_equiv_address instead of
405 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
407 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
408 do not issue warning for a variable definition following
411 2005-09-01 Richard Henderson <rth@redhat.com>
414 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
415 conversion to CONST_VECTOR.
417 2005-09-01 Richard Henderson <rth@redhat.com>
420 * reload1.c (reload_as_needed): Check !CALL_P before calling
421 fixup_eh_region_note.
422 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
424 2005-09-01 DJ Delorie <dj@redhat.com>
426 * varasm.c (output_constant): Let the target resolve
427 conversions of addresses to non-default pointer sizes.
429 2005-09-01 Nicolas Pitre <nico@cam.org>
431 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
432 to alow matching ARM pre-indexed addressing mode.
433 (arm_override_options): Remove now irrelevant comment.
435 2005-09-01 Phil Edwards <phil@codesourcery.com>
437 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
438 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
439 * config/i386/vxworks.h: Likewise.
440 * config/i386/t-vxworksae: New file, for VxWorks AE.
441 * config/i386/vxworksae.h: Likewise.
443 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
445 PR tree-optimization/23410
446 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
447 sequence is not wrapping during the first step.
449 2005-09-01 Jakub Jelinek <jakub@redhat.com>
452 * dwarf2out.c (base_type_die): Compare char_type_node with
453 TYPE_MAIN_VARIANT (type), not type.
455 2005-09-01 Richard Guenther <rguenther@suse.de>
457 PR tree-optimization/15366
458 * common.opt: Add -finline-functions-called-once.
459 Put -fearly-inlining in alphabetically ordered place.
460 * doc/invoke.texi: Document new option.
461 * ipa-inline.c (cgraph_decide_inlining): Honour
462 flag_inline_functions_called_once.
464 2005-09-01 Jakub Jelinek <jakub@redhat.com>
466 PR rtl-optimization/23478
467 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
468 (alloc_qty): Initialize it.
469 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
470 (combine_regs): Combine also n_throwing_calls_crossed fields.
471 (find_free_reg): Don't attempt to caller-save pseudos crossing
472 calls that might throw.
473 * global.c (struct allocno): Add throwing_calls_crossed field.
474 (global_alloc): Revert 2005-08-22 change. Initialize
475 throwing_calls_crossed.
476 (find_reg): Don't attempt to caller-save pseudos crossing calls that
479 2005-09-01 Alan Modra <amodra@bigpond.net.au>
482 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
483 (mask64_operand): Reinstate code prior to 2005-06-11 change.
484 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
485 (and64_2_operand): Tweak to use predicate.
486 (and_operand): Adjust for mask_operand changes.
487 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
488 (print_operand): Likewise.
489 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
490 (mask64_1or2_operand): Delete.
491 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
492 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
493 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
494 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
495 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
496 (rotldi3_internal4): Likewise.
497 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
498 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
499 (ashldi3_internal7): Likewise.
500 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
501 (ashldi3_internal, ashldi3_internal9 split): Likewise.
502 (anddi3 split): Don't match mask64_operand.
503 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
504 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
505 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
506 't' splitter predicate.
507 (movdi_internal64 + 2): Revert 2005-06-11 change.
509 2005-08-31 DJ Delorie <dj@redhat.com>
511 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
512 (m32c_asm_integer): Add support for 32 bit pointers.
514 2005-08-31 Richard Henderson <rth@redhat.com>
516 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
517 component-like references for setting MEM_NOTRAP_P.
519 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
520 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
522 2005-08-31 Richard Henderson <rth@redhat.com>
524 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
525 into a pseudo before applying gen_lowpart.
527 2005-08-31 Geoffrey Keating <geoffk@apple.com>
529 * doc/install.texi (Specific): Update cctools version required
530 for full functionality.
531 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
532 linkers as -macosx_version_min.
534 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
537 * sh.c (print_operand, %R and %S): Add handling of floating point
538 registers, memory, constants and invalid operands.
540 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
542 * ipa-pure-const.c: Change dump name.
544 2005-08-31 Uros Bizjak <uros@kss-loka.si>
547 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
548 to "reg_or_0_operand".
549 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
551 2005-08-31 Dale Johannesen <dalej@apple.com>
553 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
554 loops that count down.
556 2005-08-31 Richard Henderson <rth@redhat.com>
559 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
560 (fixup_eh_region_note): New.
561 (reload_as_needed): Call it.
562 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
563 don't call find_many_sub_basic_blocks; call verify_flow_info.
564 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
565 (keep_stack_depressed): Likewise.
566 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
568 2005-08-31 Richard Henderson <rth@redhat.com>
570 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
573 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
575 * expr.c (expand_expr_real_1): Compare size of address
576 mode to target's address mode size in deciding expansion of
577 the constant address.
579 2005-08-31 Richard Guenther <rguenther@suse.de>
582 * expr.c (all_zeros_p): New function.
583 (expand_expr_real_1): Handle the case of an all-zero
584 non-addressable constructor separately.
586 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
588 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
589 arguments, adjust all callers.
590 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
592 2005-08-30 Richard Henderson <rth@redhat.com>
595 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
596 whenever the mode sizes match.
598 2005-08-31 Alan Modra <amodra@bigpond.net.au>
600 * calls.c (load_register_parameters): Fix comment typo.
601 * expr.c (emit_push_insn): Comment formatting.
603 2005-08-30 Ian Lance Taylor <ian@airs.com>
605 * config/i386/x-cygwin (host-cygwin): Change dependency from
606 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
608 2005-08-29 Geoffrey Keating <geoffk@apple.com>
610 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
613 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
616 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
619 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
622 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
623 beginning. Remove $(INCLUDES) from all the rules, if following
624 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
626 2005-08-29 Jakub Jelinek <jakub@redhat.com>
629 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
630 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
631 not constant, but maxlen is, don't set len to maxlen, rather
632 set maxlen to len if len is a constant.
634 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
636 PR tree-optimization/23475
637 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
640 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
642 Fix PR middle-end/22455
644 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
645 Checksum only the parts of the tree that exist for the tree code.
647 2005-08-28 Dale Johannesen <dalej@apple.com>
649 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
651 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
653 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
655 2005-08-28 Richard Henderson <rth@redhat.com>
657 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
658 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
661 2005-08-28 Jakub Jelinek <jakub@redhat.com>
664 * builtins.c (get_memory_rtx): Don't strip nops
665 in between COMPONENT_REFs.
667 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
670 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
672 (gimplify_modify_expr): Check for zero sized types and gimplify the
673 rhs and lhs as statements.
675 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
678 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
679 state for return address column of signal frames.
681 2005-08-27 David Edelsohn <edelsohn@gnu.org>
684 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
685 bytes >= 2 not bytes == 2.
686 (expand_block_move): Same.
688 2005-08-27 Richard Guenther <rguenther@suse.de>
691 * config/i386/sse.md (sse2_movsd): Add missing closing
694 2005-08-27 Paul Brook <paul@codesourcery.com>
696 * genrecog.c (enum decision_type): Add DT_num_insns.
697 (struct decision_test): Add u.num_insns.
698 (add_to_sequence): Add DT_num_insns test.
699 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
700 (write_cond, debug_decision_2): Ditto.
701 (change_state): Assume peep2_next_insn never fails.
702 Remove "afterward" argument.
703 (write afterward, write_tree): Update to match.
704 * recog.c (peep2_current_count): New variable.
705 (peep2_next_insn): Check it.
706 (peephole2_optimize): Set peep2_current_count.
707 * recog.h (peep2_current_count): Declare.
709 2005-08-26 Josh Conner <jconner@apple.com>
712 * ipa-pure-const.c (check_tree): Check for volatile-ness
713 when considering a dereference.
715 2005-08-27 Jakub Jelinek <jakub@redhat.com>
717 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
719 2005-08-26 Jakub Jelinek <jakub@redhat.com>
721 PR rtl-optimization/23561
722 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
723 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
724 at most LEN bytes long memory fits into the field.
725 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
726 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
727 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
729 2005-08-26 Richard Henderson <rth@redhat.com>
732 * loop.c (biased_biv_may_wrap_p): New.
733 (maybe_eliminate_biv_1): Use it to suppress non-equality
734 comparison transformations. Delete disabled code.
736 2005-08-26 Ian Lance Taylor <ian@airs.com>
738 * combine.c (make_extraction): Avoid reference outside object.
740 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
742 * stor-layout.c (finalize_type_size): Restore behaviour for
743 non-aggregate types to the status quo ante of the patch for
744 pr 23467. Document why it matters.
746 2005-08-26 Jakub Jelinek <jakub@redhat.com>
749 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
750 array by one element, initialize the BT_LAST element with NULL.
752 2005-08-26 David Edelsohn <edelsohn@gnu.org>
754 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
757 (compare_plus_eqsi): Same.
758 (plus_eqsi_compare): Same.
759 (neg_eq0<mode>): Same.
760 (neg_eq<mode>): Same.
762 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
765 2005-08-26 Nick Clifton <nickc@redhat.com>
767 * config/v850/v850.c (ep_memory_operand): Return FALSE if
768 TARGET_EP is not defined.
769 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
770 TARGET_EP is enabled.
771 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
772 * config/v850/v850.md (save_all_interrupt): Only use the EP
773 register if TARGET_EP is defined.
774 (restore_all_interrupt): Likewise.
775 * config/v850/lib1funcs.asm: Update functions so that the EP
776 register is only used if __EP__ is defined.
778 2005-08-26 David Ung <davidu@mips.com>
780 * config/mips/mips.c (mips_expand_prologue): Handle case when
781 generating for MIPS16 and the outgoing argument area is more than
782 SMALL_OPERAND. Use the frame pointer as temporary to generate the
785 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
787 * config/crx/crx.md: Make doloop_end pattern usage controllable
788 via mloop-nesting=<max-nesting> command line switch. Make sure
789 the combiner cannot use doloop_end_<mode> in an illegal way.
790 * config/crx/crx.c: Use regs up to r6 for argument passing.
791 Refine crx_address_cost (non cst4 displacements are expensive).
792 * config/crx/crx.opt: Add switch for mloop-nesting=.
794 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
796 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
797 (UNSPEC_MVST): New constant.
799 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
801 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
802 Reject operands containing eliminable registers.
803 * testsuite/gcc.dg/20050825-1.c: New testcase.
805 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
806 Jan Hubicka <jh@suse.cz>
808 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
810 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
812 PR tree-optimization/23546
813 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
816 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
818 * params.def (PARAM_MIN_SPEC_PROB): New.
819 * sched-rgn.c (MIN_PROBABILITY): Delete.
820 (compute_trg_info): Convert to PARAM_VALUE.
821 * doc/invoke.texi (param): Document min-spec-prob.
823 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
825 * config/darwin.h: define __PIC__
826 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
827 TARGET_OS_CPP_BUILTINS macro.
829 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
831 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
834 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
836 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
838 * cfghooks.c (duplicate_block): Added position where to place
839 new block as argument.
840 * cfghooks.h (duplicate_block): Declaration changed.
841 * cfglayout.c (copy_bbs): Add argument after. Pass it to
843 * cfglayout.h (copy_bbs): Declaration changed.
844 * cfgloop.h (loop_version): Declaration changed.
845 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
846 position to copy_bbs.
847 (loop_version): Pass position to duplicate_loop_to_header_edge.
848 Add place_after argument and position new blocks according to
850 * modulo-sched.c (sms_schedule): Pass place_after argument
852 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
853 * tree-cfg.c (split_edge_bb_loc): New function.
854 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
855 to determine position of new blocks.
856 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
858 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
859 argument to duplicate_block.
860 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
861 Pass position to copy_bbs.
863 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
865 * fold-const.c (ptr_difference_const): Use
866 cst_and_fits_in_hwi instead of host_integerp.
868 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
870 * config/darwin.c (gen_pic_offset): New.
871 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
874 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
876 PR tree-optimization/23486
877 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
879 2005-08-23 Phil Edwards <phil@codesourcery.com>
881 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
883 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
885 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
886 configuration files to override the default value.
888 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
889 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
890 * config/vx-common.h: New file, split out from...
891 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
892 * config/vxworksae.h: New file, for VxWorks AE.
893 * config/vxworks.opt: New file.
894 * config/vxlib.c: Update for VxWorks 6.
896 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
897 other MULTILIB_* variables appropriately.
898 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
899 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
900 * config/rs6000/vxworks.h: Update for VxWorks 6.
901 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
903 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
906 * config/darwin.c (machopic_select_section): Remove the hack to
907 mark "::operator new" and "::operator delete" for coalescing
908 even though they are not weak.
910 2005-08-24 Alan Modra <amodra@bigpond.net.au>
912 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
913 * configure: Regenerate.
915 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
918 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
920 * convert.c (convert_to_integer, convert_to_vector): Likewise.
921 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
924 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
926 * config/rs6000/predicates.md (equality_operator): New.
927 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
928 comparison with a large constant.
930 2005-08-23 Mark Mitchell <mark@codesourcery.com>
932 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
934 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
936 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
937 registers is even, and we have a hardware double precision fp,
939 (sh_gimplify_va_arg_expr): For floating point arguments, consider
940 size of current argument when checking if argument was passed in
943 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
946 * stor-layout.c (finalize_type_size): Dont override
947 existing alignment with a smaller alignment from the mode.
949 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
951 * lambda-code.c (lambda_vector_lexico_pos): Moved...
952 * lambda.h (lambda_vector_lexico_pos): ... here.
953 * tree-data-ref.c (build_classic_dist_vector): Return false when
954 the distance vector is lexicographically negative.
956 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
958 PR tree-optimization/23511
959 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
960 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
962 2005-08-23 Jakub Jelinek <jakub@redhat.com>
964 PR tree-optimization/22043
965 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
966 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
967 If ALLOW_FLEXARR, handle types ending with flexible array member.
968 Pass false as second argument to recursive count_type_elements calls.
969 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
970 argument to count_type_elements call.
971 * tree-sra.c (decide_block_copy): Likewise.
972 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
973 for a constant-sized object, set cleared as well. Pass true as
974 second argument to count_type_elements call.
976 2005-08-23 Alan Modra <amodra@bigpond.net.au>
979 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
980 from legitimate_small_data_p, and make global. Update use.
981 Remove forward declaration.
982 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
984 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
986 2005-08-23 David Edelsohn <edelsohn@gnu.org>
988 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
989 of scratch intermediates.
990 (eq<mode>_compare): Same.
991 (neg_eq0<mode>): New.
992 (neg_eq<mode>): Convert to define_insn_and_split.
994 2005-08-23 Alan Modra <amodra@bigpond.net.au>
997 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
998 stdarg functions, set/clear the fp marker even when no variable
1000 * config/rs6000/sysv4.opt (mprototype): Describe.
1002 2005-08-22 Jakub Jelinek <jakub@redhat.com>
1004 PR rtl-optimization/23478
1005 * regs.h (reg_info): Add throw_calls_crossed.
1006 (REG_N_THROWING_CALLS_CROSSED): Define.
1007 * flow.c (allocate_reg_life_data): Initialize
1008 REG_N_THROWING_CALLS_CROSSED.
1009 (propagate_one_insn, attempt_auto_inc): Update
1010 REG_N_THROWING_CALLS_CROSSED.
1011 * global.c (global_alloc): Don't allocate pseudos across
1012 calls that may throw.
1014 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
1017 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1018 value is inbetween the range if we did not find an exact match.
1020 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
1022 * doc/invoke.texi (Option Summary): Add ms1 options.
1023 * doc/extend.texi: Document interrupt handler attribute for ms1.
1024 * doc/md.texi: Document ms1 constraints.
1025 * config.gcc: Add ms1-*-elf.
1026 * config/ms1/ms1.h: New.
1027 * config/ms1/ms1.c: New.
1028 * config/ms1/ms1.md: New.
1029 * config/ms1/ms1-protos.h: New.
1030 * config/ms1/ABI.txt: New.
1031 * config/ms1/crti.asm: New.
1032 * config/ms1/crtn.asm: New.
1033 * config/ms1/lib2extra-funcs.c: New.
1034 * config/ms1/t-ms1: New.
1035 * config/ms1/ms1.opt: New.
1037 2005-08-22 Ira Rosen <irar@il.ibm.com>
1039 * config/rs6000/altivec.md (xorv4sf3): New.
1040 (negv4sf2, neg<mode>2): Likewise.
1042 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
1045 * config/ia64/ia64.md (divsi3): Check divide by zero.
1046 (udivsi3): Likewise.
1048 (udivdi3): Likewise.
1050 2005-08-21 Jakub Jelinek <jakub@redhat.com>
1052 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1053 up to elem_bitsize bits, not max_bitsize.
1055 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1057 PR tree-optimization/23433
1058 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1059 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1061 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1063 PR tree-optimization/23434
1064 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1065 the iteration bound is not an INTEGER_CST.
1067 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
1069 * tree-vect-transform.c (get_initial_def_for_reduction): Set
1070 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1071 NULL if need_epilog_adjust is false.
1072 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1073 Case 3 always peels first itration, not just for PLUS case, and no need
1074 to use scalar_initial_def here. Create an epilog adjustment only if
1075 scalar_initial_def is not NULL.
1077 (vectorizable_reduction): Remove assert.
1079 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
1082 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1083 (__moddi3): Likewise.
1084 (__udivdi3): Likewise.
1085 (__umoddi3): Likewise.
1086 (__divsi3): Likewise.
1087 (__modsi3): Likewise.
1088 (__udivsi3): Likewise.
1089 (__umodsi3): Likewise.
1091 2005-08-20 Jakub Jelinek <jakub@redhat.com>
1093 * tree-pass.h (TDF_GRAPH): Define.
1094 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1095 * passes.c (finish_optimization_passes): Only call
1096 finish_graph_dump_file if TDF_GRAPH is set.
1097 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1098 NULL. Set TDF_GRAPH bit.
1099 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1101 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
1103 * arm.h (arm_stack_offsets): Add locals_base field.
1104 * arm.c (arm_get_frame_offsets): Compute it.
1105 (thumb_compute_initial_elimination offset): Make the Thumb frame
1106 pointer point to the base of the local variables.
1107 (thumb_expand_prologue): Update accordingly.
1108 (thumb_expand_epilogue): Likewise.
1110 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
1111 mode of clobbered scratch to DImode. Handle a case that's known to
1114 2005-08-19 David Edelsohn <edelsohn@gnu.org>
1116 * config/rs6000/rs6000.md (gt0<mode>): Delete.
1117 (gt0<mode>_compare): Delete.
1118 (neg_gt0<mode>): Delete.
1120 2005-08-19 Eric Christopher <echristo@apple.com>
1122 * optabs.h: Change CTI_ to COI_.
1125 2005-08-19 James E Wilson <wilson@specifix.com>
1127 * builtins.c (expand_builtin_return_addr): Set
1128 current_function_accesses_prior_frames when count != 0. Use
1129 frame_pointer_rtx when count == 0.
1130 * function.h (struct function): Add accesses_prior_frames field.
1131 (current_function_accesses_prior_frames): Define.
1132 * reload1.c (init_elim_table): Check
1133 current_function_accesses_prior_frames.
1134 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1136 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1138 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1139 indicator. Return true if the flowgraph changed during
1142 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1145 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1146 conditional expression before testing its value.
1148 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1150 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1152 2005-08-19 Devang Patel <dpatel@apple.com>
1154 PR tree-optimization/23048
1155 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1156 third parameter. Check whether latch is dominated by exit
1158 (if_convertible_loop_p): Supply exit block itself to
1159 if_convertible_bb_p.
1161 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1164 * arm.md (arm_load_pic_register): Change argument to the mask of
1165 saved registers. Call thumb_find_work_register if we need a
1166 scratch register on Thumb.
1167 (arm_expand_prologue): Pass empty register set to
1168 arm_load_pic_register.
1169 (thumb_expand_prologue): Pass live_regs_mask directly to
1170 arm_load_pic_register.
1171 * arm-protos.h (arm_load_pic_register): Update prototype.
1173 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
1175 * sh.c (find_sole_member): New function.
1176 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1177 if the record's alignment is larger than the size of its only member.
1179 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1182 * arm.c (thumb_legitimize_reload_address): New function.
1183 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1184 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1186 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
1188 * config/crx/crx.c: Implement crx_decompose_address. Reject
1189 symbolic displacements since CRX register relative adressing
1190 mode can't handle unsigned 32-bit values as displacements.
1191 * config/crx/crx.h: Simplify definitions, remove redundant
1192 parenthesis and obsolete macros.
1193 * config/crx/crx.opt: Add new switch for debugging addresses.
1194 * config/crx/crx-protos.h: Add new declarations for above.
1196 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
1199 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1202 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1204 * collect2.c (dup2): Delete.
1205 * configure.ac: Don't check for dup2.
1207 * config.in, configure: Regenerate.
1209 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
1211 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1212 record with the type of its only member.
1214 2005-08-18 David Edelsohn <edelsohn@gnu.org>
1216 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1217 define_insn_and_split.
1218 (plus_ltu<mode>_compare): Same.
1219 (gtu<mode>_compare): Same.
1220 (plus_gtu<mode>_compare): Same.
1222 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
1224 PR tree-optimization/22228
1225 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1227 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1228 are recorded in vect_vnames_to_rename for renaming.
1229 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1230 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1231 in vect_vnames_to_rename.
1232 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1233 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1235 2005-08-18 Jan Hubicka <jh@suse.cz>
1238 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1239 info only for local statics, not for member variables.
1241 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1243 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1245 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1247 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1249 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
1252 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1254 2005-08-17 James E Wilson <wilson@specifix.com>
1256 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1259 2005-08-17 David Edelsohn <edelsohn@gnu.org>
1261 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1262 (leu<mode>_compare): Same.
1263 (plus_leu<mode>): Same.
1264 (neg_leu<mode>): Same.
1265 (and_neg_leu<mode): Same.
1266 (ltu<mode>_compare): Same.
1267 (plus_ltu<mode>): Same.
1269 (geu<mode>_compare): Same.
1270 (plus_geu<mode>): Same.
1271 (neg_geu<mode>): Same.
1272 (and_neg_geu<mode>): Same.
1273 (plus_gt<mode>): Same.
1274 (gtu<mode>_compare): Same.
1275 (plus_gtu<mode>): Same.
1277 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
1279 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1280 Move call_table_data to end. Delete spurious .text.
1281 (callt_save_all_interrupt): Fix comment typo.
1283 2005-08-17 James E Wilson <wilson@specifix.com>
1284 Kevin Winchester <winchester@amirix.com>
1287 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1289 2005-08-17 Uros Bizjak <uros@kss-loka.si>
1292 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1293 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1295 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
1297 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1298 record with the type of its only member if the modes don't match.
1300 * varasm.c (decode_reg_name): Skip empty additional register names.
1302 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1304 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1305 lsm_tmp_name_length): New.
1306 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1307 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1309 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1310 Andreas Krebbel <krebbel1@de.ibm.com>
1312 * config.gcc: Added z9-109 switch.
1313 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1314 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1315 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1316 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1317 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1318 for "z9_109" cpu attribute.
1319 * config/s390/s390.c (z9_109_cost): New processor cost structure.
1320 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1321 (s390_handle_arch_option): Added z9-109 switch.
1322 (override_options): Set respective cost function for z9-109.
1323 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1324 (legitimate_reload_constant_p): Accept extended immediates.
1325 (print_operand): Three new output modifiers added: k, m and o.
1326 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1327 (s390_output_mi_thunk): Use extended immediate when possible.
1328 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1329 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1330 (CONSTRAINT_LEN): Added length of O constraint.
1331 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1332 * config/s390/s390.md ("cpu"): New value z9_109 added.
1333 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1334 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1335 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1336 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1337 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1338 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1339 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1340 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1341 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1342 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1343 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1344 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1345 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1346 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1347 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1349 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1350 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1351 insns for TARGET_EXTIMM.
1353 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
1355 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1357 2005-08-17 Nick Clifton <nickc@redhat.com>
1359 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1360 Call default_encode_section_info.
1362 2005-08-17 Steven Bosscher <stevenb@suse.de>
1364 PR tree-optimization/21574
1365 * tree-ssa-ccp.c (likely_value): If the right hand side is a
1366 constant, return CONSTANT.
1367 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1368 (ccp_fold, visit_assignment): Likewise.
1369 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1371 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1373 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1374 fold_buildN instead of buildN then fold_initializer or fold.
1375 (build_unary_op): Likewise.
1376 (build_binary_op): Likewise.
1377 * fold-const.c (fold_initializer): Remove.
1378 (fold_build1_initializer): New function.
1379 (fold_build2_initializer): New function.
1380 (fold_build3_initializer): New function.
1381 * tree.h (fold_initializer): Remove.
1382 (fold_build1_initializer): New function.
1383 (fold_build2_initializer): New function.
1384 (fold_build3_initializer): New function.
1386 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1388 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1389 (try_move_mult_to_index): Call fold_build2 instead of build2.
1390 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1391 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1392 fold_binary_to_constant.
1393 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1395 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1396 check if A == gcd (A, B). Remove TYPE argument.
1397 (analyze_offset) Use fold_build2 instead of fold (build.
1398 (create_data_ref): Likewise.
1399 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1400 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1403 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
1405 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1406 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1408 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
1411 * gimplify.c (zero_sized_type): New function.
1412 (gimplify_modify_expr_rhs): If we have a zero sized type,
1413 replace the statement with an empty statement.
1415 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
1417 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1420 2005-08-16 Ian Lance Taylor <ian@airs.com>
1422 * doc/tm.texi (Label Output): Correct typo.
1424 2005-08-16 Steven Bosscher <stevenb@suse.de>
1427 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1428 force_operand will work later on using have_insn_for.
1430 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1432 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1434 2005-08-16 Ian Lance Taylor <ian@airs.com>
1437 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1438 vector type, don't try to construct it element by element. Add an
1439 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1441 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1443 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1445 2005-08-16 Geoffrey Keating <geoffk@apple.com>
1447 * doc/invoke.texi (Precompiled Headers): Document some more options
1448 which are known to be safe.
1450 2005-08-16 James E Wilson <wilson@specifix.com>
1452 PR tree-optimization/21105
1453 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1454 TREE_OVERFLOW check.
1456 2005-08-16 David Edelsohn <edelsohn@gnu.org>
1458 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1459 (neg_ltu<mode>): Same.
1461 (neg_gtu<mode>): Same.
1463 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1465 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1466 (fold_builtin_isdigit): Use fold_buildN.
1467 (build_function_call_expr): Likewise.
1468 * c-typeck.c (c_finish_loop): Likewise.
1470 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
1471 Richard Shann <rshann@superh.com>
1473 PR middle-end/20396:
1474 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1476 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
1478 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1480 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
1483 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1484 arm_compure_save_reg0_reg12_mask to determine when the PIC register
1487 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1490 * fold-const.c (build_range_check): Disable optimization for function
1491 pointer expressions on targets that require function pointer
1494 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
1496 * simplify-rtx.c (simplify_const_relational_operation): When
1497 extracting arguments of a COMPARE, recompute the mode as well.
1499 2005-08-15 Ian Lance Taylor <ian@airs.com>
1501 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
1503 2005-08-15 DJ Delorie <dj@redhat.com>
1505 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
1507 (movsi_splittable): Allow, but split, moves to the stack.
1508 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
1511 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1513 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
1514 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
1515 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
1517 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
1518 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
1519 Delete HOST_PTR_PRINTF.
1521 * configure, config.in: Regenerate.
1523 2005-08-15 David Edelsohn <edelsohn@gnu.org>
1525 * config/rs6000/rs6000.md (QHSI): New mode macro.
1526 (wd): Extend mode attr for QImode and HImode
1527 (dbits): New mode attr.
1528 (zero_extend<mode>di2): Convert to mode macro.
1530 2005-08-15 Steve Ellcey <sje@cup.hp.com>
1533 * doc/invoke.texi (-mgnu-ld): Update description.
1536 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
1539 * Makefile.in (tree-chrec.o): Depends on real.h.
1540 * tree-chrec.c: Include real.h.
1541 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
1542 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
1543 * tree-scalar-evolution.c (add_to_evolution_1,
1544 interpret_rhs_modify_expr): Ditto.
1546 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
1549 * tree-data-ref.c (estimate_niter_from_size_of_data): When
1550 step is negative compute the estimation from init downwards to zero.
1552 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
1554 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
1556 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1558 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
1560 (legitimate_reload_constant_p): Fix handling of lliXX operands.
1561 Accept double-word constants that can be split.
1562 * config/s390/s390.md ("movti"): Use 'P' constraint.
1563 ("*movdi_31", "*movdf_31"): Likewise.
1565 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
1567 Fix PR tree-optimization/22615
1569 * tree-ssa-structalias.c (solution_set_add): Handle
1570 first_vi_for_offset returning NULL.
1571 (do_da_constraint): Ditto.
1572 (do_sd_constraint): Ditto.
1573 (do_ds_constraint): Ditto
1574 (find_func_aliases): Ditto.
1575 (build_constraint_graph): RHS is allowed be ANYTHING.
1576 (first_vi_for_offset): Return NULL if we couldn't find anything at
1579 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1581 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
1582 over memory as first operand.
1584 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
1587 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
1588 available for setting it.
1590 2005-08-14 Ira Rosen <irar@il.ibm.com>
1592 PR tree-optimization/23320
1593 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
1594 data-refs' types instead of base object nullness. Add check for
1595 pointer type data-refs before first location comparison. Remove
1598 2005-08-14 Andreas Schwab <schwab@suse.de>
1600 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
1602 2005-08-13 James E Wilson <wilson@specifix.com>
1604 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
1605 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
1606 -fstack-protector-all, --param ssp-buffer-size): Document.
1607 (-Wvariadic-macros): Alphabetize.
1608 (-fsched-stalled-insns-dep): Add missing 'f'.
1610 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
1613 2005-08-13 David Edelsohn <edelsohn@gnu.org>
1615 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
1616 or indirect address operand.
1617 (EXTRA_ADDRESS_CONSTRAINT): New.
1618 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
1620 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
1622 PR tree-optimization/22236
1623 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
1624 successors and predecessors.
1625 * tree-chrec.c (chrec_convert): Before converting, check that
1626 sequences don't wrap.
1627 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
1628 (analyze_array): Extern.
1629 (find_data_references_in_loop): Remove call to
1630 compute_estimated_nb_iterations.
1631 * tree-data-ref.h (analyze_array): Declared.
1632 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
1633 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
1634 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
1635 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
1637 * tree-ssa-loop-ivcanon.c: Fix documentation.
1638 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
1639 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
1640 (infer_loop_bounds_from_undefined): New.
1641 (estimate_numbers_of_iterations_loop): Use
1642 infer_loop_bounds_from_undefined.
1643 (used_in_pointer_arithmetic_p): New.
1644 (scev_probably_wraps_p): Pass an extra parameter. Call
1645 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
1646 (convert_step): Fix documentation.
1647 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
1648 Use initial_condition_in_loop_num and evolution_part_in_loop_num
1649 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
1650 scev_probably_wraps_p.
1652 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
1654 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
1655 (s390_register_info): Ignore clobbered_regs information for fixed
1656 registers, and only fixed registers.
1657 (s390_init_frame_layout): Remove redundant call.
1659 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
1661 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
1662 description of -Wold-style-casts.
1664 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1665 Jakub Jelinek <jakub@redhat.com>
1667 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1668 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
1669 * config/s390/s390.c (print_operand): New output modifier 'G' added.
1670 (get_thread_pointer): Renamed to s390_get_thread_pointer.
1671 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
1672 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
1673 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
1674 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
1675 ("stack_protect_set", "stack_protect_test"): New expanders.
1676 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
1677 "stack_protect_testdi"): New insn definitions.
1679 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1681 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
1683 2005-08-12 Paul Brook <paul@codesourcery.com>
1685 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
1687 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1689 * config/s390/predicates.md (setmem_operand): New predicate.
1690 (shift_count_operand): Accept ANDs with special constants as
1692 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
1693 with special constants.
1694 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
1695 shift_count_operand with setmem_operand.
1697 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1699 * config/s390/s390.c (s390_extract_part, s390_single_part):
1701 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
1702 (s390_output_mi_thunk): Don't use lg on 31 bit.
1703 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
1704 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
1706 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1708 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
1709 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
1710 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
1711 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
1712 with one of the new macros.
1714 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
1716 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
1717 Don't set save_return_addr_p.
1718 (s390_register_info): Make clobbered_regs not depending on
1721 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
1723 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
1724 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
1726 2005-08-11 James E. Wilson <wilson@specifix.com>
1728 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
1730 2005-08-11 Jakub Jelinek <jakub@redhat.com>
1732 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
1733 locations gathered by var-tracking in single entry loc_list
1734 over loc_descriptor_from_tree.
1736 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
1737 pass it down to loc_descriptor.
1738 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
1739 (containing_function_has_frame_base): Move earlier in the file.
1740 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
1741 instead of always assuming fbreg can't be used.
1743 2005-08-11 David Edelsohn <edelsohn@gnu.org>
1745 * config/rs6000/altivec.md: Change constraint "m" to "Z".
1746 * config/rs6000/predicates.md (indexed_or_indirect_operand):
1747 Accept address wrapped in AND for Altivec.
1748 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
1749 Strip AND wrapping offset address for Altivec.
1751 2005-08-11 Richard Henderson <rth@redhat.com>
1754 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
1755 before using TYPE_IS_SIZETYPE.
1757 2005-08-11 Richard Henderson <rth@redhat.com>
1760 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
1761 insn types not present on ev4.
1762 (alphaev5_insn_pipe): Similarly.
1764 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
1767 * arm.c (arm_override_options): If the user has selected callee-super-
1768 interworking, then enable normal interworking.
1770 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1772 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
1775 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
1777 * doc/rtl.texi: Fix two typos.
1779 2005-08-11 Richard Guenther <rguenther@suse.de>
1782 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
1783 cases where we call to/from functions returning void.
1785 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
1788 * tree.c (build_pointer_type_for_mode): Robustify.
1790 2005-08-10 James E Wilson <wilson@specifix.com>
1792 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
1793 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
1795 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
1798 2005-08-10 Eric Christopher <echristo@apple.com>
1800 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
1801 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
1804 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
1807 * config/darwin.c (machopic_indirect_data_reference): Use a new register
1808 for the high part when generating dynamic-no-pic code.
1810 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
1812 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
1813 (x86_64-*-linux*): Likewise.
1815 * config/i386/crtfastmath.c: New file.
1816 * config/i386/t-crtfm: Likewise.
1818 * config/i386/linux.h (ENDFILE_SPEC): New.
1819 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
1821 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1824 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
1826 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
1827 (vec_shl, vec_shr): Document new operations.
1828 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1830 2005-08-10 David Edelsohn <edelsohn@gnu.org>
1832 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1833 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1834 change predicate to indexed_or_indirect_address.
1836 2005-08-10 Richard Sandiford <richard@codesourcery.com>
1838 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1839 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1840 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1841 and __aeabi_uwrite8.
1842 * config/arm/unaligned-funcs.c: New file.
1843 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1845 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
1847 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1849 * cfglayout.c (pass_insn_locators_initialize): Add dump.
1850 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1852 * except.c (pass_convert_to_eh_region_ranges): Add dump.
1853 * final.c (pass_shorten_branches): Add dump.
1854 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1855 (pass_life): Rename dump.
1856 (rest_of_handle_flow2): Remove initial verify_flow_info.
1857 * function.c (pass_instantiate_virtual_regs): Add dump.
1858 * integrate.c (pass_initial_value_sets): Add dump.
1859 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1860 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1861 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1862 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1863 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1864 gate_rtl_unrool_and_peel_loops): New.
1865 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1866 rtl_doloop): Do not look at flags.
1867 * mode-switching.c (pass_mode_switching): Add dump.
1868 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1869 pass_split_before_regstack): Add dump.
1870 * regmove.c (pass_stack_adjustments): Add dump.
1871 * tree-optimize.c (pass_fixup_cfg): Add dump.
1873 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1876 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1877 deciding which instruction sequence to use.
1879 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
1881 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1882 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1884 2005-08-09 Richard Guenther <rguenther@suse.de>
1886 * c-common.c (builtin_function_2): Remove.
1887 (def_builtin_1): New function.
1888 (c_common_nodes_and_builtins): Use def_builtin_1 to
1889 build builtin functions.
1891 2005-08-09 Jie Zhang <jie.zhang@analog.com>
1893 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
1894 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1895 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
1898 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
1900 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
1901 fold_binary instead of fold_build2 since we don't care about the
1903 (loop_niter_by_eval): Likewise.
1904 (compare_trees): Likewise.
1905 (proved_non_wrapping_p): Likewise.
1907 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
1911 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
1912 if the if is really empty.
1914 2005-08-09 Steven Bosscher <stevenb@suse.de>
1916 PR tree-optimization/23234
1917 * tree-ssa-math-opts.c (place_reciprocal): New enum.
1918 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
1919 argument of the new enum.
1920 (execute_cse_reciprocals): Add reciprocals for function arguments
1921 on the unique successor edge of the entry block. Update other calls
1922 to execute_cse_reciprocals_1.
1924 2005-08-08 Richard Henderson <rth@redhat.com>
1927 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
1929 2005-08-08 Bob Wilson <bob.wilson@acm.org>
1931 * expr.c (write_complex_part): Return after handling MEM.
1933 2005-08-08 Josh Conner <jconner@apple.com>
1935 PR rtl-optimization/23241
1936 * combine.c (simplify_comparison): Fix error in determining
1937 whether to lift a subreg from comparison.
1939 2005-08-08 David Edelsohn <edelsohn@gnu.org>
1942 * config/rs6000/altivec.md (vec_init<mode>): New.
1943 (vec_set<mode>): New.
1944 (vec_extract<mode>): New.
1945 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
1946 (rs6000_expand_vector_set): New.
1947 (rs6000_expand_vector_extract): New.
1948 (rs6000_legitimate_offset_address_p): Offset addresses are valid
1949 for Altivec modes before reload.
1950 (altivec_expand_vec_init_builtin): New.
1951 (get_element_number): New.
1952 (altivec_expand_vec_set_builtin): New.
1953 (altivec_expand_vec_ext_builtin): New.
1954 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
1956 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
1958 * config/rs6000/rs6000.h (rs6000_builtins): Add
1959 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
1960 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
1961 * config/rs6000/rs6000-protos.h: Declare new functions.
1963 2005-08-08 Jan Hubicka <jh@suse.cz>
1965 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
1966 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
1967 * i386.md (movdi*): Use pic_32bit_operand.
1968 * predicates.md (pic_32bit_operand): New.
1970 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
1973 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
1975 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
1977 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
1978 (test_for_singularity): Use fold_build2.
1980 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1982 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
1984 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
1986 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1987 (COMMON_ASM_OP) Define.
1988 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
1989 (ix86_encode_section_info): Likewise.
1990 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
1991 SUBTARGET_ENCODE_SECTION_INFO.
1993 2005-08-06 Richard Henderson <rth@redhat.com>
1996 * tree-nested.c (convert_local_reference): Save and restore val_only
1997 around component_ref and friends. Clear walk_subtrees by default.
1999 2005-08-06 Peter O'Gorman <peter@pogma.com>
2002 * gcc.c (process_command): Check the argument to -b has a dash.
2003 * doc/invoke.texi: Update -b and -V docs.
2005 2005-08-06 James E Wilson <wilson@specifix.com>
2007 * config/mips/cross64.h, config/mips/t-cross64: Delete.
2009 2005-08-06 Michael Matz <matz@suse.de>
2011 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2012 member only if only one insn is associated with the value.
2014 2005-08-06 Nick Clifton <nickc@redhat.com>
2016 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2018 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2019 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2020 Check symbol flags instead of symbol name mangling.
2021 (xstormy16_asm_output_aligned_common): Likewise. Also
2022 simplify code since the bss100_section cass is the only case
2023 where the below100 code will be triggered.
2024 (xstormy16_encode_section_info): Encode below100 attribute
2025 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2027 (xstormy16_strip_name_encoding): Delete - this function is no
2029 (TARGET_STRIP_NAME_ENCODING): Undefine.
2030 * config/stormy16/stormy16-protos.h: Delete prototype for
2031 xstormy16_strip_name_encoding.
2033 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
2035 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2036 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2037 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2038 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2039 config/alpha/predicates.md, config/arc/arc.h,
2040 config/arm/arm.h, config/arm/ieee754-df.S,
2041 config/arm/ieee754-sf.S, config/bfin/bfin.c,
2042 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2043 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2044 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2045 config/m68hc11/m68hc11.h, config/mips/mips.c,
2046 config/mips/mips.h, config/mips/openbsd.h,
2047 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2048 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2049 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2050 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2051 config/sparc/linux.h, config/sparc/linux64.h,
2052 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2053 doc/extend.texi, doc/gcov.texi, doc/install.texi,
2054 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2055 typos. Follow spelling conventions.
2057 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
2060 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2061 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2062 specially. Check for side effects only for COND_EXPR.
2063 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2064 return with TREE_NO_WARNING.
2066 2005-08-06 Richard Sandiford <richard@codesourcery.com>
2068 PR rtl-optimization/23233
2069 * loop.c (combine_movables): Require the modes to be the same.
2070 (move_movables): Remove handling of cases where the replacement
2071 had a different mode to the original.
2073 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
2075 PR tree-optimization/23128
2076 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2077 subtraction wrap, and set TREE_OVERFLOW if they do.
2079 2005-08-05 Richard Henderson <rth@redhat.com>
2082 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2083 FORCED_LABEL labels.
2085 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
2088 * reload.c (find_reloads_subreg_address): Pass down TYPE
2089 unchanged. Change all callers except find_reloads_toplev.
2091 2005-08-05 Michael Matz <matz@suse.de>
2093 * genattrtab.c (current_alternative_string): Remove.
2094 (SIMPLIFY_ALTERNATIVE): Ditto.
2095 (attr_alt_bit_p): Ditto.
2096 (alternative_name): Make const char *.
2097 (evaluate_eq_attr): Remove use of above things.
2098 (simplify_test_exp): Ditto.
2099 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2100 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2102 2005-08-04 James E Wilson <wilson@specifix.com>
2104 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2105 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2106 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2107 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2108 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2110 2005-08-04 Richard Henderson <rth@redhat.com>
2113 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2114 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2115 * tree-sra.c (decide_block_copy): Use it. Disable element copy
2116 if we'd have to instantiate too many members.
2118 2005-08-04 Richard Henderson <rth@redhat.com>
2121 * tree-outof-ssa.c (coalesce_asm_operands): New.
2122 (coalesce_ssa_name): Use it. Split out ...
2123 (coalesce_phi_operands, coalesce_result_decls): ... these.
2125 2005-08-04 Paul Brook <paul@codesourcery.com>
2127 * read-rtl.c (read_quoted_string): Break if EOF.
2129 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
2131 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2132 (fold_build2): Likewise.
2133 (fold_build3): Likewise.
2134 (fold_build1_stat): New function prototype.
2135 (fold_build2_stat): Likewise.
2136 (fold_build3_stat): Likewise.
2137 * fold-const.c (fold_build1): Rename to ..
2138 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2139 through to build1_stat.
2140 (fold_build2): Rename to ..
2141 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2142 through to build2_stat.
2143 (fold_build3): Rename to ..
2144 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2145 through to build3_stat.
2147 2005-08-04 David Edelsohn <edelsohn@gnu.org>
2148 Ian Lance Taylor <ian@airs.com>
2150 * function.c (assign_stack_local_1): Do not correct stack slot
2151 address if allocation size is smaller than mode size.
2153 2005-08-04 Diego Novillo <dnovillo@redhat.com>
2156 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2157 (tree_merge_blocks): Propagate anything allowed by
2159 Clarify documentation.
2160 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2161 SSA form, schedule an update if necessary.
2163 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
2165 * doc/install.texi (Binaries): Remove broken link to
2166 Sinix/Reliant Unix binaries.
2168 2005-08-03 Richard Henderson <rth@redhat.com>
2171 * function.c (stack_protect_epilogue): Export.
2172 * tree.h (stack_protect_epilogue): Declare.
2173 * calls.c (expand_call): Call it.
2175 2005-08-03 Eric Christopher <echristo@apple.com>
2177 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2178 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2181 2005-08-04 Jan Hubicka <jh@suse.cz>
2183 * profile.c (branch_prob): Split edges with goto locus on them
2184 to get proper line counts.
2185 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2187 2005-08-03 Paul Brook <paul@codesourcery.com>
2189 * function.c (assign_parms): Round current_function_args_size
2190 to PARM_BOUNDARY, not STACK_BOUNDARY.
2192 2005-08-03 Geoffrey Keating <geoffk@apple.com>
2194 * config/i386/i386.c (x86_elf_aligned_common)
2195 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2197 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
2199 PR tree-optimization/23157
2200 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2201 before emitting them.
2203 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2205 PR tree-optimization/19899
2206 * Makefile.in (tree-scalar-evolution.o): Add real.h.
2207 * tree-scalar-evolution.c: Include real.h.
2208 (add_to_evolution): Build constant -1 of correct type.
2210 2005-08-03 Jan Hubicka <jh@suse.cz>
2212 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2213 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2214 profile updating for complette unrolling.
2215 * loop-unroll.c (peel_loop_completely): Use it.
2216 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2217 (tree_unroll_loops_completely): Disable code growing unrolling of cold
2220 2005-08-03 Paul Brook <paul@codesourcery.com>
2222 * combine.c (can_change_dest_mode): New function.
2223 (try_combine, simplify_set): Use it.
2225 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
2227 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2230 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
2232 * doc/install.texi (Specific): Adjust link to openavr.org.
2233 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2234 (Binaries): Adjust HP-UX Porting Center link.
2235 (Binaries): Adjust Free Software Foundation ordering link.
2237 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
2239 * convert.c (convert_to_integer): Use fold_build1 instead of
2240 build1 when converting an integer to an integer.
2242 2005-08-02 Richard Henderson <rth@redhat.com>
2244 * combine.c (combine_instructions): Don't use reg_equal/equiv
2245 results if the mode doesn't match.
2247 2005-08-02 Mark Mitchell <mark@codesourcery.com>
2249 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2250 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2252 2005-08-02 Richard Henderson <rth@redhat.com>
2255 * explow.c (memory_address): Remove special-case for
2256 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2258 2005-08-02 Diego Novillo <dnovillo@redhat.com>
2261 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2262 number of calls to cleanup_tree_cfg_1.
2264 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
2266 * doc/invoke.texi: document file extensions .F90 and .F95
2268 2005-08-02 Richard Guenther <rguenther@suse.de>
2270 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2271 positive if its first argument is positive.
2273 2005-08-02 Richard Guenther <rguenther@suse.de>
2275 PR tree-optimization/23177
2276 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2279 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
2281 PR tree-optimization/23129
2282 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2283 varying for divisions with anti-ranges.
2285 2005-08-02 Jan Hubicka <jh@suse.cz>
2287 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2288 * tree-ssa-threadupdate.c (thread_block): Add it here.
2290 2005-08-01 James E Wilson <wilson@specifix.com>
2292 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2293 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2294 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2296 * config/mips/predicates.md (const_call_insn_operand): Add check for
2297 SYMBOL_REF_LONG_CALL_P.
2298 * doc/extend.texi (long_call): Document the new attribute.
2300 2005-08-01 Ian Lance Taylor <ian@airs.com>
2301 Richard Henderson <rth@redhat.com>
2303 * Makefile.in (RTL_BASE_H): Add real.h.
2304 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2306 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2308 * rtl.c (rtl_check_failed_code_mode): New.
2309 * rtl.h (struct rtx_def): Add u.rv.
2310 (XCMWINT, XCNMPRV): New.
2311 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2312 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2314 2005-08-01 Richard Henderson <rth@redhat.com>
2316 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2317 with auto-inc codes.
2319 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2321 2005-08-01 Jan Hubicka <jh@suse.cz>
2323 * i386-protos.h (asm_preferred_eh_data_format): Declare.
2324 * i386.c: Include dwarf2.h
2325 (asm_preferred_eh_data_format): New.
2326 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2328 2005-08-01 Ian Lance Taylor <ian@airs.com>
2330 * config/host-linux.c (linux_gt_pch_get_address): Add new name
2331 randomize_va_space for virtual address randomization control.
2333 2005-08-01 Steven Bosscher <stevenb@suse.de>
2335 * common.opt (flag_ipa_cp): Put in right place to maintain
2338 2005-08-01 Jan Hubicka <jh@suse.cz>
2340 * profile.c (compute_value_histograms): Fix thinko.
2341 * value-prof.c: Include toplev.h
2342 (check_counter): New function.
2343 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2344 tree_mod_subtract_transform): Add sanity check.
2346 2005-08-01 Richard Guenther <rguenther@suse.de>
2348 PR tree-optimization/23133
2349 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2350 current functions parameter decls to find defs to cse
2353 2005-08-01 Richard Guenther <rguenther@suse.de>
2355 PR tree-optimization/23109
2356 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2357 If trapping math is in effect, use post-dominator information
2358 to check if we'd in any case reach a trapping point before
2359 doing the reciprocal insertion.
2360 (execute_cse_reciprocals): Compute post-dominators, if necessary.
2361 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2362 expressions are invariant only if trapping math is not in effect.
2364 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2366 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2367 cgraph_function_versioning): New declarations.
2368 * cgraphunit.c: Add include to ipa-prop.h.
2369 (update_call_expr, cgraph_copy_node_for_versioning,
2370 cgraph_function_versioning): New functions.
2371 * integrate.c (copy_decl_for_inlining): Remove.
2372 * ipa-prop.h (ipa_replace_map): New struct.
2373 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2374 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2375 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2376 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2377 ipcp_iterate_stage, ipcp_method_scale_print,
2378 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2379 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2380 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2381 ipcp_update_bb_counts, ipcp_update_profiling,
2382 ipcp_update_edges_counts): New functions.
2383 (ipcp_method_cval_init): Remove restriction regarding local methods.
2384 (ipcp_init_stage): Add ipcp_method_compute_scale.
2385 (ipcp_insert_stage): Add versioning.
2386 (ipcp_structures_print): Add ipcp_method_scale_print.
2387 (ipcp_driver): Dump profiling info.
2388 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2389 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2390 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2391 (struct inline_data): Add versioning_p, ipa_info, new fields.
2392 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2393 declare_return_variable): Replace calls to copy_decl_for_inlining with
2395 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2397 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2398 Add argument VERSIONING.
2399 (copy_arguments_for_versioning, copy_static_chain,
2400 function_versionable_p, tree_versionable_function_p,
2401 tree_function_versioning, replace_ref_tree): New functions.
2402 * tree-inline.h: Include varray.h.
2403 (tree_versionable_function_p, tree_function_versioning,
2404 tree copy_decl_for_dup): New declarations.
2406 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2408 * ipa-cp.c: New file. Contains IPCP specific functionality.
2409 * ipa-prop.h: New file. Contains structures/definitions that can be
2410 used by several interprocedural data flow optimizations (and also IPCP).
2411 * ipa-prop.c: New file.
2412 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2413 * common.opt: Add ipa-cp flag.
2414 * timevar.def: Add IPCP optimization.
2415 * tree-optimize.c (init_tree_optimization_passes): Schedule
2417 * tree-pass.h (pass_ipa_cp): Declare.
2419 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
2421 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2422 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2423 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2424 config/i386/i386.c, config/mips/mips.h,
2425 config/rs6000/rs6000.h, config/sh/sh.c,
2426 config/stormy16/stormy16.c: Fix comment typos.
2428 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
2431 * c-typeck.c (build_binary_op): Use common_type wrapper on
2433 (common_type): Update comment.
2435 2005-07-31 Steven Bosscher <stevenb@suse.de>
2438 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2439 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2440 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2442 2005-07-31 Jan Hubicka <jh@suse.cz>
2444 * pretty-print.h (pp_widest_integer): New macro.
2445 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2448 2005-07-31 Jan Hubicka <jh@suse.cz>
2450 * output.h (enum section_category): Export from varasm.c
2451 (categorize_decl_for_section): Likewise.
2452 * varasm.c (enum section_category): Kill.
2453 (categorize_decl_for_section): Make global.
2454 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2456 * i386.c (ix86_section_threshold): New static variable.
2457 (ix86_in_large_data_p, ix86_encode_section_info,
2458 x86_64_elf_unique_section,
2459 x86_64_elf_select_section): New functions.
2460 (TARGET_ENCODE_SECTION_INFO): Define
2461 (override_options): Enable medium model for PIC.
2462 (ix86_expand_prologue): Expand gen_set_got_rex64.
2463 (legitimate_constant_p): Handle new UNSPECs.
2464 (legitimate_pic_address_disp_p): Likewise.
2465 (legitimize_pic_address): Lower MEDIUM model addressing.
2466 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2467 (enum cmodel): Add MEDIUM_PIC.
2468 (SYMBOL_REF_FAR_ADDR_P): New macro.
2469 (SYMBOL_FLAG_FAR_ADDR): New flag.
2470 * i386.md (movdi): Support medium model.
2471 (set_got_rex64): New pattern.
2472 * i386.opt (mlarge-data-threshold): New flag.
2473 * predicates.md (zext_operand/sext_operand): Deal with medium model.
2474 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2475 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2476 TARGET_ASM_UNIQUE_SECTION): New.
2478 * invoke.texi (-mlarge_data_threshold): Document
2480 2005-07-31 Jan Hubicka <jh@suse.cz>
2482 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2483 (coalesce_vars): Likewise.
2484 * tree-ssa-live.c (coalesce_cost): New.
2485 (build_tree_conflict_graph): Use coalesce_cost.
2486 * tree-ssa-live.h (coalesce_cost): Declare.
2488 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
2490 * arm.md (all peepholes for post-increment operations): Delete.
2491 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
2492 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
2493 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
2494 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
2495 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
2497 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
2499 * fold-const.c (tree_expr_nonnegative_p): Always return true for
2502 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
2505 * doc/invoke.texi: Document -rdynamic.
2507 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
2510 * c-parser.c (c_parser_parms_list_declarator): Call
2511 mark_forward_parm_decls.
2512 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
2513 decls with visibility structure.
2515 2005-07-30 Paul Brook <paul@codesourcery.com>
2517 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
2519 2005-07-30 Paul Brook <paul@codesourcery.com>
2521 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
2523 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
2525 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
2527 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2530 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
2531 nested function declarators.
2532 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
2533 (grokparms): Call warn_if_shadowing for parameters used within the
2535 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
2536 not used within the parameter list.
2537 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
2539 2005-07-30 Jan Hubicka <jh@suse.cz>
2541 * expr.c (expand_expr_real_1): Do not load mem targets into register.
2542 * i386.c (ix86_fixup_binary_operands): Likewise.
2543 (ix86_expand_unary_operator): Likewise.
2544 (ix86_expand_fp_absneg_operator): Likewise.
2545 * optabs.c (expand_vec_cond_expr): Validate dest.
2547 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2550 * real.c (real_from_string): Also set last bit if there is a
2551 nonzero hex digit beyond GCC's internal precision after ".".
2553 2005-07-29 David Edelsohn <edelsohn@gnu.org>
2555 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
2556 define_constants. Change duplicate values to unassigned numbers.
2557 Change UNSPEC_SUBS to UNSPEC_VSUBS.
2558 (*altivec_vspltsf): New.
2559 (altivec_vperm_v4sf): Delete.
2560 (altivec_vperm_<mode>): Use mode macro V.
2561 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
2562 (altivec_predicate_v4sf): Delete.
2563 (altivec_predicate_<mode>): Use mode macro V.
2564 (*altivec_lvesfx): New.
2565 (*altivec_stvesfx): New.
2566 (vec_realign_load_v4sf): Delete.
2567 (vec_realign_load_<mode>): Use mode macro V.
2568 * config/rs6000/rs6000.c (generate_set_vrsave): Use
2571 2005-07-29 Mark Mitchell <mark@codesourcery.com>
2574 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
2576 * configure: Regenerated.
2578 2005-07-29 Paul Brook <paul@codesourcery.com>
2580 * doc/install.texi: Add link to GFortran binaries wiki page.
2582 2005-07-29 David Ung <davidu@mips.com>
2584 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
2585 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
2586 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
2587 * config/mips/mips.md (cpu): Add 5kf name.
2588 (includes): Includes 5k.md.
2589 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
2590 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
2593 2005-07-29 Diego Novillo <dnovillo@redhat.com>
2596 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
2597 (cleanup_tree_cfg): ... here.
2598 Call cleanup_tree_cfg_1 until there are no more cleanups to
2601 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
2603 * tree-vrp.c (compare_range_with_value): Return true or false
2604 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
2605 EQ_EXPR respectively.
2607 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
2609 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
2612 2005-07-29 Diego Novillo <dnovillo@redhat.com>
2614 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
2615 (tree_ssa_dominator_optimize): Increment it.
2616 (dump_dominator_optimization_stats): Print it.
2618 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
2619 Steven Bosscher <stevenb@suse.de>
2621 PR rtl-optimization/23117
2622 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
2623 when head == tail. Tidy comment.
2625 2005-07-28 Richard Henderson <rth@redhat.com>
2627 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
2628 * cselib.c (rtx_equal_for_cselib_p): Likewise.
2629 * jump.c (rtx_renumbered_equal_p): Likewise.
2630 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
2631 CONST_INT and CONST_DOUBLE.
2632 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
2633 * reload.c (operands_match_p): Special case CONST_INT and
2634 CONST_DOUBLE; check mode earlier.
2636 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2639 * c-typeck.c (convert_for_assignment): Do not check
2640 DECL_IN_SYSTEM_HEADER on NULL fundecl.
2642 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2645 * c-typeck.c (composite_type): Prefer constant size arrays to
2648 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2651 * real.c (real_from_string): Set last bit if there is a nonzero
2652 hex digit beyond GCC's internal precision.
2654 2005-07-28 Richard Henderson <rth@redhat.com>
2657 * cfgcleanup.c (try_forward_edges): Watch out for end of
2660 2005-07-28 James E Wilson <wilson@specifixinc.com>
2663 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
2665 2005-07-28 Jan Hubicka <jh@suse.cz>
2667 * Makefile.in (rtl-profile.o): Kill all traces of it.
2668 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
2669 * coverage.h (rtl_coverage_counter_ref): Kill.
2670 * opts.c (flag_speculative_prefetching_set): Kill.
2671 (flag_loop_optimize_set): New.
2672 (common_handle_option): Disable loop optimizer when profiling;
2673 do not handle speculative prefetching.
2674 * passes.c (init_optimization_passes): Replace pass_profiling combo
2675 by branch_prob pass.
2676 * profile.c (compute_value_histograms): Update for simplified value
2678 (rtl_register_profile_hooks): Kill.
2679 (pass_profiling): Kill.
2680 (rest_of_handle_branch_prob): Do not profile.
2681 * toplev.c (process_options): Remove speculative prefetching.
2682 * toplev.h (flag_tree_based_profiling): Kill.
2683 * tree-profile.c (prepare_instrumented_value,
2684 tree_gen_interval_profiler, tree_gen_pow2_profiler,
2685 tree_gen_one_value_profiler, do_tree_profiling): Update for
2686 simplified datastructures.
2687 * value-prof.c: Add comment that speculative prefetching was dropped;
2688 update rest of file for simplified datastructures.
2689 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
2690 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
2691 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
2692 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
2693 rtl_mod_subtract, gen_speculative_prefetch,
2694 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
2695 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
2696 (gate_handle_value_profile_transformations,
2697 rest_of_handle_value_profile_transformations,
2698 pass_value_profile_transformations): Kill.
2699 * value-prof.h (histogram_value_t): Remove IL based unions.
2700 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
2701 rtl_profile_hooks): Remove hooks.
2703 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
2705 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
2706 (cgraph_clone_node): Likewise.
2707 * cgraph.h (cgraph_clone_edge): Update prototype.
2708 (cgraph_clone_node): Likewise.
2709 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2711 (lookup_recursive_calls): Consider profile.
2712 (cgraph_decide_recursive_inlining): Fix updating; use new
2713 probability argument; use profile.
2714 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
2715 * tree-inline.c (copy_bb): Update clal of clone_edge.
2716 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
2718 * invoke.texi (min-inline-recursive-probability): Document.
2720 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
2722 * doc/install.texi (Configuration): Update Valgrind homepage.
2724 2005-07-28 Richard Henderson <rth@redhat.com>
2727 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
2728 labels we want to delete.
2729 (cfg_layout_merge_blocks): Likewise.
2731 2005-07-28 Richard Henderson <rth@redhat.com>
2734 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
2735 when expanding to nothing.
2737 2005-07-28 Josh Conner <jconner@apple.com>
2739 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
2740 (cgraph_decide_inlining_of_small_functions): Likewise.
2742 2005-07-28 Josh Conner <jconner@apple.com>
2744 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
2745 direction of badness if negative.
2746 (cgraph_default_inline_p): Add reason to parameters, and assign it
2748 (cgraph_decide_inlining_of_small_functions): New parameter in call
2749 to cgraph_default_inline_p.
2750 (cgraph_decide_inlining_incrementally): Likewise.
2751 * cgraphunit.c (decide_is_function_needed): Likewise.
2752 * cgraph.h (cgraph_default_inline_p): Likewise.
2754 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2756 * builtins.c: Fix comment typo(s).
2757 * genautomata.c: Likewise.
2758 * gimplify.c: Likewise.
2759 * tree-dfa.c: Likewise.
2760 * tree-flow-inline.h: Likewise.
2761 * tree-into-ssa.c: Likewise.
2762 * tree-ssa-alias.c: Likewise.
2763 * tree-ssa-ccp.c: Likewise.
2764 * tree-ssa-copy.c: Likewise.
2765 * tree-ssa-dce.c: Likewise.
2766 * tree-ssa-dom.c: Likewise.
2767 * tree-ssa-operands.c: Likewise.
2768 * tree-tailcall.c: Likewise.
2769 * tree-vectorizer.c: Likewise.
2770 * tree-vrp.c: Likewise.
2773 2005-07-28 Jeff Law <law@redhat.com>
2775 * tree-vrp.c (test_for_singularity): Extracted from ...
2776 (simplify_cond_using_ranges): Attempt to simplify a relational
2777 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
2779 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
2781 PR tree-optimization/22506
2782 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
2783 phis whose argument is constant.
2785 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
2787 PR rtl-optimization/18992
2788 Back out this patch:
2789 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2790 PR optimization/12142
2791 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
2792 uses of the register in the SET_SRC. Remove unnecessary argument.
2794 Replace it with this:
2795 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
2796 if flag_non_call_exceptions is set and the insn may trap, pass
2797 pc_rtx as dest for recursion.
2798 In SET_SRC part of SET case, if dest is already set, pass it down
2801 2005-07-28 Jan Hubicka <jh@suse.cz>
2803 * cfg.c (update_bb_profile_for_threading): Use RDIV.
2804 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
2805 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
2807 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
2808 profile when available.
2810 2005-07-28 Jan Beulich <jbeulich@novell.com>
2812 * config/ia64/ia64.c (ia64_load_pair_ok): New.
2813 (ia64_print_operand): Describe and handle 'X'.
2814 (ia64_register_move_cost): Also handle FP_REGS.
2815 (ia64_preferred_reload_class): Likewise.
2816 (ia64_secondary_reload_class): Likewise.
2817 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
2818 it. Also check for ITANIUM_CLASS_FLDP.
2819 * config/ia64/ia64.h (FP_REGNO_P): New.
2820 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
2821 (reg_class): Add FP_REGS.
2822 (REG_CLASS_NAMES): Adjust for it.
2823 (REG_CLASS_CONTENTS): Likewise.
2824 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
2825 (REG_CLASS_FROM_LETTER): Handle 'x'.
2826 (CLASS_MAX_NREGS): Handle FP_REGS.
2827 (MEMORY_MOVE_COST): Likewise.
2828 * config/ia64/ia64.md (itanium_class): Add fldp.
2829 (type): Handle fldp.
2830 (movti_internal): More allowable operand combinations. Use ldfp8 when
2831 splitting unnecessary. Remove predicable attribute. Adjust
2832 itanium_class attribute.
2833 (smuldi3_highpart): Remove outdated comment.
2834 (mulditi3, umulditi3, rotlti3): New expanders.
2835 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2836 (absti2): Disabled new insn for future reference.
2837 Respective new splitters.
2838 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2839 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2840 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2842 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
2844 PR rtl-optimization/23047
2845 * simplify-rtx.c (simplify_const_relational_operation): Respect
2846 flag_wrapv for comparisons with ABS.
2848 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
2850 PR tree-optimization/22493
2851 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2852 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2854 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
2856 * config/frv/frv.opt (moptimize-membar): New.
2858 * doc/invoke.texi: Document -moptimize-membar and its inverse.
2860 * config/frv/frv.h: Remove machine_function definition.
2862 * config/frv/frv.c (struct frv_io): New.
2863 (struct machine_function): Moved from frv.h. Add has_membar_p.
2864 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2865 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2866 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2867 (frv_optimize_membar_global, frv_optimize_membar): New functions.
2868 (frv_reorg): Call frv_optimize_membar when appropriate.
2869 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2870 (frv_expand_builtin): Adjust calls accordingly.
2871 (frv_io_address_cookie): New function.
2872 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2873 load or store rather than a special insn. Add ccnstant address and
2874 io-type operands to the membar.
2875 (frv_ifcvt_modify_tests): Unsign regno.
2876 (frv_ifcvt_modify_tests): Same.
2878 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
2879 UNSPEC_OPTIONAL_MEMBAR constant.
2880 (builtin_read_<mode>): Delete.
2881 (builtin_write_<mode>): Delete.
2882 ("optional_membar_<mode>"): Add operand.
2884 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2885 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2886 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2887 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2888 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2889 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
2890 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
2891 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
2892 * testsuite/gcc.target/frv/all-read-write-1.c: New.
2894 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
2896 * df.c (df_uses_record): Handle SCRATCH.
2898 2005-07-28 Steven Bosscher <stevenb@suse.de>
2901 * passes.c (rest_of_decl_compilation): If decl is a type and
2902 we have encountered errors, don't emit debug information.
2904 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2906 * params.def: Fixed comment.
2908 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
2911 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
2912 (TARGET_ASM_UNALIGNED_HI_OP): Add.
2913 (TARGET_ASM_UNALIGNED_SI_OP): Add.
2915 2005-07-27 Steven Bosscher <stevenb@suse.de>
2918 * varasm.c (assemble_start_function): Don't do anything that may
2919 require a CFG if the current function is a thunk.
2921 2005-07-25 Geoffrey Keating <geoffk@apple.com>
2923 * doc/install.texi (Prerequisites): Mention that perl is needed
2924 to do export control in libstdc++ targetting Darwin.
2926 2005-07-27 Steven Bosscher <stevenb@suse.de>
2928 PR rtl-optimization/17808
2929 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
2930 (sched_insns_conditions_mutex_p): Split out from...
2931 (add_dependence): ...here. But don't call it from here.
2932 (add_dependence_list): Check sched_insns_conditions_mutex_p
2933 before calling add_dependence.
2934 (add_dependence_list_and_free): Likewise.
2935 (fixup_sched_groups): Likewise.
2936 (sched_analyze_1): Likewise.
2937 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
2938 (sched_analyze): Likewise.
2939 (sched_analyze_insn): Likewise.
2940 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
2941 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
2942 dependencies on all COND_EXEC insns to jumps ending basic blocks
2943 when doing intrablock scheduling.
2944 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
2946 2005-07-27 Jeff Law <law@redhat.com>
2948 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
2949 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
2950 equivalency sets, correctly handle the case were vr0 has an
2951 equivalency set, but vr1 does not.
2953 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
2955 PR tree-optimization/23073
2956 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
2957 vect_print_dump_info before fprintf.
2959 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2961 PR tree-optimize/22348
2962 * tree-ssa-loop-niter.c (number_of_iterations_cond):
2963 Fold the partial computation.
2965 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2967 PR tree-optimization/22325
2968 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
2970 * tree-scalar-evolution.c (scev_const_prop): Add generic final
2972 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
2973 (force_var_cost): ... this function.
2974 (compute_phi_arg_on_exit): Export.
2976 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2978 PR tree-optimization/20773
2979 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
2982 2005-07-27 Richard Guenther <rguenther@suse.de>
2984 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
2985 Avoid pushing again if current struct contains only
2986 fields we decomposed.
2988 2005-07-27 Jan Hubicka <jh@suse.cz>
2990 PR tree-optimization/22574
2991 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
2994 * tree-tailcall.c (decrease_profile): New function.
2995 (eliminate_tail_call): Use it.
2997 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
2998 visibility flags correctly in whole program mode.
3000 2005-07-26 Steve Ellcey <sje@cup.hp.com>
3002 PR rtl-optimization/22472
3003 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3005 2005-07-26 Steven Bosscher <stevenb@suse.de>
3007 PR tree-optimization/22504
3008 * tree-complex.c (expand_complex_addition): Use 'code' instead
3009 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3011 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
3013 * config.gcc (cpu_type): Add frv case.
3014 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3015 (supported_defaults): Add fr550 case.
3017 2005-07-26 Diego Novillo <dnovillo@redhat.com>
3020 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3021 whether a pointer of type T * may point to objects of type T *.
3023 2005-07-26 DJ Delorie <dj@redhat.com>
3025 * configure: Regenerate.
3027 2005-07-26 Dale Johannesen <dalej@apple.com>
3029 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
3031 2005-07-26 Mark Mitchell <mark@codesourcery.com>
3033 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3034 Clarify use of "build" in name.
3036 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
3038 * doc/extend.texi (Raw read/write Functions): New section.
3039 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3040 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3041 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3042 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3043 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3044 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3045 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3046 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3047 * config/frv/frv.c: Add bdesc_loads global.
3048 Add bdesc_stores global.
3049 (frv_init_builtins): Add support for __builtin_{read/write}*.
3050 (frv_volatile_memref): New.
3051 (frv_expand_load_builtin): New.
3052 (frv_expand_store_builtin): New.
3053 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3054 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3055 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3056 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3057 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3058 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3059 (builtin_read_<mode>): New.
3060 (builtin_write_<mode>): New.
3061 (builtin_write64): New.
3062 (optional_membar_<mode>): New.
3064 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
3066 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3067 (rather than units) against HOST_BITS_PER_WIDE_INT.
3069 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
3071 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3072 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3073 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3074 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3077 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3078 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3079 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3081 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3083 2005-07-26 Richard Guenther <rguenther@suse.de>
3085 PR tree-optimization/22486
3086 * fold-const.c (fold_unary): Fold away useless component
3087 references of the form (T *)&T.x, if the address
3090 2005-07-25 James E Wilson <wilson@specifixinc.com>
3092 * dwarf2out.c (add_call_src_coords_attributes): New.
3093 (gen_inlined_subroutine_die): Call it.
3094 (maybe_emit_file, init_file_table): Add comments.
3095 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3097 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3098 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3099 * tree.h (BLOCK_SOURCE_LOCATION): New.
3100 (struct tree_block): New field locus.
3102 2005-07-26 Andreas Schwab <schwab@suse.de>
3104 PR rtl-optimization/23043
3105 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3106 when allocating a struct unoccr.
3108 2005-07-25 Richard Henderson <rth@redhat.com>
3111 * tree-complex.c (gate_no_optimization): True if errors.
3112 * Makefile.in (tree-complex.o): Update dependencies.
3114 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
3116 * config/frv/predicates.md (integer_register_operand): Use
3119 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3122 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3124 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3126 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3128 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3129 types when flag_unsafe_math_optimizations is true.
3131 2005-07-25 Mark Mitchell <mark@codesourcery.com>
3133 * gcc.c (option_map): Add --sysroot.
3134 (process_command): Handle --sysroot.
3135 (display_help): Document it.
3136 * doc/cppopts.tex (-isysroot): Document.
3137 * doc/invoke.texi (--sysroot): Document.
3138 * doc/install.texi (--with-build-sysroot): Document.
3140 * Makefile.in (inhibit_libc): New variable.
3141 (INHIBIT_LIBC_CFLAGS): Likewise.
3142 (LIBGCC2_CFLAGS): Include
3143 $(INHIBIT_LIBC_CFLAGS).
3144 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3145 ($(T)crtbegin.o): Do not use @inhibit_libc@.
3146 ($(T)crtend.o): Likewise.
3147 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3148 ($(T)crtendS.o): Likewise.
3149 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3150 ($(T)crtendT.o): Likewise.
3151 (stmp-fixinc): Do not complain about missing headers if
3153 * configure.ac (inhibit_libc): Set it to true/false.
3154 (--with-build-sysroot): New option. Use it to set
3156 * configure: Regenerated.
3158 2005-07-25 Manfred Hollstein <mh@suse.com>
3160 * calls.c (store_one_arg): Fix unsigned comparison warning.
3162 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3165 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3166 (ggc_print_statistics): Initialize variable before use.
3168 2005-07-25 Richard Guenther <rguenther@suse.de>
3170 * tree-dfa.c (mark_new_vars_to_rename): Protect against
3171 calling with a PHI_NODE argument.
3173 * tree-flow-inline.h (overlap_subvar): Protect against
3176 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
3178 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3179 * configure: Regenerate.
3181 2005-07-25 Ira Rosen <irar@il.ibm.com>
3183 * expr.c (highest_pow2_factor): Make extern.
3184 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3185 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3186 record_array_differ_p, array_ptr_differ_p): Likewise.
3187 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3188 additional cases. Call the above functions.
3189 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3190 base_object_differ_p when there are two base objects. Otherwise, compare
3191 base address and offset. Call may_alias_p.
3192 (dump_data_reference): Use a correct field name.
3193 (analyze_array): Make static. Initialize new data-ref fields.
3194 (analyze_indirect_ref): New function.
3195 (init_data_ref): Initialize new data-ref fields.
3196 (strip_conversion): Moved from tree-vect-analyze.c.
3197 (analyze_offset_expr, get_ptr_offset, address_analysis,
3198 object_analysis): Likewise.
3199 (analyze_offset): New function.
3200 (create_data_ref): Likewise.
3201 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3202 dimensions for ARRAY_REFs only.
3203 (build_classic_dist_vector): Make static.
3204 (access_functions_are_affine_or_constant_p): Call macro to get the
3205 address of access functions.
3206 (compute_all_dependences): Add new parameter
3207 compute_self_and_read_read_dependences. Compute self and read-read
3208 dependences if it is true.
3209 (find_data_references_in_loop): Call create_data_ref. Initialize new
3211 (compute_data_dependences_for_loop): Add new parameter
3212 compute_self_and_read_read_dependences. Remove parameter nb_loops,
3213 compute nb_loops. Call compute_all_dependences,
3214 build_classic_dist_vector and build_classic_dir_vector with correct
3216 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3217 with correct parameters. Compare dimensions for ARRAY_REFs only.
3218 (free_data_refs): Call macro to free access functions.
3219 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3220 fields from stmt_vinfo.
3221 (struct base_object_info): New structure.
3222 (struct data_reference): Move fields to base_object_info. Add fields
3223 first_location and object_info for above structures. Move fields from
3224 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3225 aligned_to. Add macros to access the new fields.
3226 Update functions declarations.
3227 * tree-flow.h (is_aliased_with): Declare.
3228 * tree-loop-linear.c (linear_transform_loops): Call
3229 compute_data_dependences_for_loop with correct parameters.
3230 * tree-ssa-alias.c (is_aliased_with): New function.
3231 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3232 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3233 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3234 vect_base_addr_differ_p, compute_subscript_distance and
3235 build_classic_dist_vector. Add printings. Check absolute value of
3237 (vect_analyze_data_ref_dependences): Go through ddrs instead of
3239 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3240 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3241 to bytes. Add printing.
3242 (vect_compute_data_refs_alignment): Go through loads and stores in one
3244 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3245 vect_analyze_data_ref_access): Likewise.
3246 (vect_analyze_pointer_ref_access): Remove.
3247 (vect_address_analysis, vect_object_analysis): Likewise.
3248 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3249 and analyze data-refs in the loop.
3250 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3251 fields of data-ref instead of stmt. Add init to the offset from the
3253 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3254 (vect_update_init_of_dr): Likewise.
3255 (vect_update_inits_of_drs): Go through loads and stores in one loop.
3256 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3258 (new_loop_vec_info): Initialize new fields.
3259 (destroy_loop_vec_info): Free new fields.
3260 (vect_strip_conversion): Remove.
3261 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3262 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3263 datarefs. Add new field ddrs.
3264 Add macros for the new fields access.
3265 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3266 base_aligned_p, misalignment, memtag, ptr_info and subvars.
3267 Remove their macros.
3268 * tree.h (highest_pow2_factor): Declare.
3270 2005-07-25 Jakub Jelinek <jakub@redhat.com>
3272 * calls.c (store_one_arg): Check for sibling call MEM arguments
3273 from already clobbered incoming argument area.
3275 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3277 * c-common.c (check_missing_format_attribute): New.
3278 * c-common.h (check_missing_format_attribute): Likewise.
3279 * c-typeck.c (convert_for_assignment): Use it.
3281 2005-07-24 Andreas Schwab <schwab@suse.de>
3283 * config/m68k/m68k.md ("extendqidi2"): When source is an address
3284 register use a word move. Correct operand of ext.w in 68000 code.
3286 2005-07-23 Mark Mitchell <mark@codesourcery.com>
3288 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3289 variables as declarations, rather than definitions.
3291 2005-07-24 Ira Rosen <irar@il.ibm.com>
3293 PR tree-optimization/22526
3294 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3297 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3299 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3300 that C99 reserve for future use. Use it to define clog10,
3301 clog10f and clog10l.
3303 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3305 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3306 * configure.ac: Check for -Wmissing-format-attribute.
3308 * configure: Regenerate.
3310 2005-07-23 Richard Henderson <rth@redhat.com>
3312 PR tree-optimization/22623
3313 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3315 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
3318 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3320 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3322 * Makefile.in (C_TREE_H): Update dependencies.
3323 * c-tree.h: Include toplev.h.
3324 * diagnostic.h (diagnostic_set_info): Add format attribute.
3325 * rtl-error.c (diagnostic_for_asm): Likewise.
3327 2005-07-23 Chao-ying Fu <fu@mips.com>
3329 * config/mips/mips-dsp.md: New file.
3330 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3331 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3333 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
3334 MIPS_BUILTIN_BPOSGE32.
3335 (mips_expand_builtin_direct): Add one parameter to indicate that
3336 builtin functions need to return a value.
3337 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
3339 (mips_regno_to_class): Add classes for 12 new DSP registers.
3340 (mips_subword): Change to check four HI registers.
3341 (mips_output_move): Output move to and from 6 new DSP accumulators.
3342 (override_options): Make sure -mdsp and -mips16 are not used together.
3343 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
3345 (mips_conditional_register_usage): Disable 6 new DSP accumulators
3347 (print_operand): Add 'q' for printing DSP accumulators.
3348 (mips_cannot_change_mode_class): Check ACC_REGS.
3349 (mips_secondary_reload_class): Check ACC_REGS.
3350 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
3351 (mips_register_move_cost): Check ACC_REGS.
3352 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
3353 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
3354 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
3355 (dsp_bdesc): New array.
3356 (bdesc_arrays): Add DSP builtin function table.
3357 (mips_prepare_builtin_arg): Check predicate again after
3359 (mips_expand_builtin): Add one more parameter to
3360 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
3361 MIPS_BUILTIN_BPOSGE32.
3362 (mips_init_builtins): Initialize new function types.
3363 (mips_expand_builtin_direct): Check if builtin functions need to
3364 return a value and pass operands properly.
3365 (mips_expand_builtin_bposge): New function.
3366 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
3367 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
3368 (FIRST_PSEUDO_REGISTER): Increase to 188.
3369 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3370 Update for 12 new DSP registers.
3371 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
3372 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
3373 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
3374 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
3375 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
3376 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
3377 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
3378 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
3379 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
3380 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
3381 (REGISTER_NAMES): Add names for 12 new DSP registers.
3382 * config/mips/mips.md: Include mips-dsp.md.
3383 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
3384 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
3385 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
3386 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
3387 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
3388 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
3389 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
3390 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
3391 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
3392 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
3393 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
3394 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
3395 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
3396 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
3397 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
3398 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
3399 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
3400 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
3401 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
3402 (UNSPEC_RDDSP): New constants.
3403 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
3404 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
3406 * config/mips/mips.opt (-mdsp): New option.
3407 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
3408 (reg_imm10_operand): New predicates.
3409 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
3410 * doc/invoke.texi (-mdsp): Document new option.
3412 2005-07-22 DJ Delorie <dj@redhat.com>
3414 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
3416 * tree-inline.c (inlinable_function_p): Likewise.
3418 2005-07-22 Mark Mitchell <mark@codesourcery.com>
3421 * toplev.c (check_global_declarations): Do not mark undefined
3422 variables as DECL_IGNORED_P.
3423 * varasm.c (first_global_object_name): GTY it.
3424 (weak_global_object_name): Likewise.
3425 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
3426 a string to go into {weak,first}_global_object_name.
3428 2005-07-22 DJ Delorie <dj@redhat.com>
3430 * c-format.c (check_function_format): Change warning control
3431 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
3433 2005-07-22 Diego Novillo <dnovillo@redhat.com>
3435 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
3436 &PTR->FLD a dereference of PTR.
3437 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
3438 a potential dereference of PTR.
3440 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
3442 PR rtl-optimization/20370
3443 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
3444 call allocate_reg_info if necessary.
3446 PR rtl-optimization/21848
3447 * calls.c (emit_library_call_value_1): For const functions, add
3448 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
3450 PR rtl-optimization/22445
3451 * cselib.c (target.h): Include.
3452 (rtx_equal_for_cselib_p): Allow commutative matches.
3453 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
3454 Remove MODE parameter. Changed all callers.
3456 PR rtl-optimization/22258
3457 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
3459 (try_combine): Use likely_spilled_retval_p.
3461 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
3463 * config.gcc: Add crx-elf support.
3465 * doc/contrib.texi: Mention crx.
3466 * doc/extend.texi: Document crx extensions.
3467 * doc/install.texi: Document crx install.
3468 * doc/invoke.texi: Document crx options.
3469 * doc/md.texi: Document crx constraints.
3471 * config/crx/crx-protos.h: New file.
3472 * config/crx/crx.c: New file.
3473 * config/crx/crx.h: New file.
3474 * config/crx/crx.md: New file.
3475 * config/crx/crx.opt: New file.
3476 * config/crx/t-crx: New file.
3478 2005-07-22 Manfred Hollstein <mh@suse.com>
3480 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
3482 (int_add_graph_edge): Likewise.
3483 (collapse_nodes): Likewise.
3484 (process_unification_queue): Likewise.
3486 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3487 Laurent GUERBY <laurent@guerby.net>
3489 PR tree-optimization/22336
3490 * function.c (record_block_change): Check for
3491 cfun->ib_boundaries_block.
3493 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
3495 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
3496 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
3498 2005-07-21 DJ Delorie <dj@redhat.com>
3500 * toplev.c (warn_deprecated_use): Add warning control to warning
3502 * c-typeck.c (parser_build_binary_op): Likewise.
3503 (c_finish_if_stmt): Likewise.
3504 * c-common.c (check_function_sentinel): Likewise.
3505 (check_nonnull_arg): Likewise.
3507 2005-07-21 Richard Henderson <rth@redhat.com>
3510 * tree-complex.c (complex_ssa_name_components): New.
3511 (cvc_lookup): Allow entry not found.
3512 (create_components): Remove.
3513 (create_one_component_var, get_component_var): New.
3514 (get_component_ssa_name, set_component_ssa_name): New.
3515 (extract_component): Use get_component_ssa_name.
3516 (update_complex_components): Use set_component_ssa_name.
3517 (update_complex_components_on_edge): Likewise.
3518 (update_phi_components): Create new PHI nodes directly, instead
3519 of adding insns to edges.
3520 (tree_lower_complex): Allocate and free complex_variable_components
3521 and complex_ssa_name_components here.
3523 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
3525 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
3526 revert to returning false.
3528 2005-07-21 Uros Bizjak <uros@kss-loka.si>
3531 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
3533 2005-07-21 Uros Bizjak <uros@kss-loka.si>
3536 * config/i386/i386.md (cmpxf): Change operand constraints
3537 to "nonmemory_operand".
3539 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3541 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
3543 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3546 * fold-const.c (fold_build1): Add checksum for the operands.
3547 (fold_build2): Likewise.
3548 (fold_build3): Likewise.
3550 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3553 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
3555 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3557 * common.opt (-fforward-propagate): Committed by mistake,
3560 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3562 * reg-stack.c: Fix comment typo(s).
3563 * tree-ssa-operands.c: Likewise.
3564 * tree-vectorizer: Likewise.
3566 2005-07-21 Nick Clifton <nickc@redhat.com>
3568 * config/sh/symbian.c: Replace C++ style line comments with C
3569 style line comments.
3570 (symbian_add_attribute): Do not use a ? operator on the LHS of
3572 (sh_symbian_handle_dll_attribute): Change the type of the
3573 method vector to "VEC(tree,gc)*" and use vector accessor
3574 macros to walk over the elements.
3575 (symbian_export_vtable_and_rtti_p): Likewise.
3576 (symbian_class_needs_attribute_p): Likewise.
3578 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3581 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
3582 initialize targetm.resolve_overloaded_builtin here.
3583 (altivec_expand_overloaded_builtin): Make it non-static.
3584 * config/rs6000/rs6000-protos.h
3585 (altivec_expand_overloaded_builtin): New prototype.
3586 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
3587 targetm.resolve_overloaded_builtin here.
3588 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
3590 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3591 Zdenek Dvorak <dvorakz@suse.cz>
3593 PR tree-optimization/19210
3594 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
3596 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
3597 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
3598 rely on unproven assumptions.
3599 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
3600 * tree-flow.h (number_of_iterations_exit): Add final parameter.
3601 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
3602 to number_of_iterations_exit.
3603 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
3604 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
3605 * tree-ssa-loop-niter.c (find_loop_niter,
3606 estimate_numbers_of_iterations_loop): Likewise.
3607 (number_of_iterations_exit): Honor the new options.
3608 * doc/invoke.texi (Wunsafe-loop-optimizations,
3609 funsafe-loop-optimizations): Document them.
3611 2005-07-21 Richard Sandiford <richard@codesourcery.com>
3613 PR rtl-optimization/22167
3614 * gcse.c (hoist_code): Fix hoist_exprs[] check.
3616 2005-07-20 Adam Nemet <anemet@lnxw.com>
3618 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
3619 __do_global_dtors_aux longcall.
3621 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
3623 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
3624 (old_special_pred_table): Don't reference
3625 SPECIAL_MODE_PREDICATES.
3626 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
3627 * config/arc/arc.h: Don't mention PREDICATE_CODES.
3628 * config/sh/predicates.h: Don't mention
3629 SPECIAL_MODE_PREDICATES.
3630 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3633 2005-07-20 DJ Delorie <dj@redhat.com>
3635 * config.gcc: Add m32c-elf support.
3637 * doc/contrib.texi: Mention m32c.
3638 * doc/extend.texi: Document m32c extensions.
3639 * doc/install.texi: Mention m32c.
3640 * doc/invoke.texi: Document m32c options.
3641 * doc/md.texi: Document m32c constraints.
3643 * config/m32c/addsub.md: New file.
3644 * config/m32c/bitops.md: New file.
3645 * config/m32c/cond.md: New file.
3646 * config/m32c/jump.md: New file.
3647 * config/m32c/m32c-lib1.S: New file.
3648 * config/m32c/m32c-lib2.c: New file.
3649 * config/m32c/m32c-modes.def: New file.
3650 * config/m32c/m32c-pragma.c: New file.
3651 * config/m32c/m32c-protos.h: New file.
3652 * config/m32c/m32c.abi: New file.
3653 * config/m32c/m32c.c: New file.
3654 * config/m32c/m32c.h: New file.
3655 * config/m32c/m32c.md: New file.
3656 * config/m32c/m32c.opt: New file.
3657 * config/m32c/minmax.md: New file.
3658 * config/m32c/mov.md: New file.
3659 * config/m32c/muldiv.md: New file.
3660 * config/m32c/predicates.md: New file.
3661 * config/m32c/prologue.md: New file.
3662 * config/m32c/shift.md: New file.
3663 * config/m32c/t-m32c: New file.
3665 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
3667 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3668 (stack_protect_set, stack_protect_test): New expanders.
3669 (stack_protect_set_si, stack_protect_set_si_media,
3670 stack_protect_set_di_media, stack_protect_test_si,
3671 stack_protect_test_si_media, stack_protect_test_di_media):
3674 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
3676 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
3678 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
3680 * tree.h (tree_expr_nonzero_p): Export.
3681 * fold-const.c (tree_expr_nonzero_p): Likewise.
3682 Return true for CALL_EXPRs that are alloca calls.
3683 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
3685 * tree-flow.h (expr_computes_nonzero): Remove.
3686 * tree-vrp.c (expr_computes_nonzero): Remove.
3687 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
3688 (extract_range_from_unary_expr): Likewise.
3689 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
3690 tree_expr_nonzero_p.
3692 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
3694 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
3695 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
3696 extra arg "picreg" and use it instead of pic_offset_table_rtx.
3697 All callers changed.
3698 (frame_related_constant_load): New arg "related" which controls
3699 setting of RTX_FRAME_RELATED_P. All callers changed.
3700 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
3701 (bfin_expand_prologue): Add stack limit checking.
3702 * config/bfin/bfin.md (trapifcc): New pattern.
3704 * config/bfin/bfin.c: Include "langhooks.h".
3705 (def_builtin): Go through lang_hooks to call builtin_function.
3707 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
3708 * config/bfin/predicates.md (symbol_ref_operand): New.
3709 (call_insn_operand): Delete. All callers changed to use
3710 register_no_elim_operand.
3711 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
3713 (function_arg): Use it to generate the call's operand 2.
3714 (bfin_longcall_p): New function.
3715 (bfin_expand_call): Extra arg "cookie". All callers and declaration
3716 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
3717 determine if the address needs to be in a REG.
3718 (bfin_handle_longcall_attribute): New function.
3719 (bfin_attribute_table): Add "longcall" and "shortcall".
3720 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
3721 (CUMULATIVE_ARGS): New member call_cookie.
3722 (PREDICATE_CODES): Add symbol_ref_operand.
3723 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
3724 extra USE to the pattern.
3725 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
3726 New patterns, split off call_insn, sibcall_insn, call_value_insn and
3727 sibcall_value_insn; now the new patterns handle direct calls and the
3728 old ones indirect calls.
3729 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
3731 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
3733 * doc/trouble.texi: Update section on handling of empty loops.
3735 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
3737 * config.gcc: Remove support for sparc-*-openbsd*,
3738 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
3740 * config.host: Remove support for i860-*-sysv4* as a host.
3741 * config/i860/*, config/ip2k/*, config/ns32k/*,
3742 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
3743 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
3744 mention obsolete ports.
3746 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
3748 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
3750 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
3751 of frame_pointer_rtx.
3752 (sh_expand_epilogue): Likewise.
3753 (sh_set_return_address): Likewise.
3754 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
3755 instead of FRAME_POINTER_REGNUM if needed. Add elimination
3756 offsets from FRAME_POINTER_REGNUM.
3757 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
3758 (sh_register_names): Add initializer for sfp.
3759 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
3760 (VALID_REGISTER_P): Likewise.
3761 (FIRST_PSEUDO_REGISTER): Update.
3762 (DWARF_FRAME_REGISTERS): Define.
3763 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
3764 (HARD_FRAME_POINTER_REGNUM): Define.
3765 (FRAME_POINTER_REGNUM): Redefine.
3766 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
3767 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
3768 from FRAME_POINTER_REGNUM.
3769 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
3770 FRAME_POINTER_REGNUM.
3771 (REG_CLASS_CONTENTS): Add sfp.
3772 (REG_ALLOC_ORDER): Likewise.
3773 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
3774 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
3775 of frame_pointer_rtx.
3776 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3778 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
3780 * fold-const.c (tree_expr_nonnegative_p): Only return true for
3781 ABS_EXPR when flag_wrapv is false because of INT_MIN.
3782 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
3784 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
3787 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
3789 Make CONSTRUCTOR use VEC to store initializers.
3790 * c-common.c (complete_array_type): Update to cope with VEC in
3792 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
3793 (pp_c_constructor_elts): New function.
3794 * c-pretty-print.h (pp_c_constructor_elts): Declare.
3795 * c-typeck.c (build_function_call, build_c_cast, digest_init,
3796 struct constructor_stack, struct initializer_stack,
3797 constructor_elements, push_init_level, pop_init_level,
3798 add_pending_init, find_init_member, output_init_element): Update to
3799 cope with VEC in CONSTRUCTOR_ELTS.
3800 * coverage.c (build_fn_info_value, build_ctr_info_value,
3801 build_gcov_info): Likewise.
3802 * expr.c (categorize_ctor_elements_1, store_constructor,
3803 expand_expr_real_1): Likewise.
3804 * fold-const.c (fold_ternary): Likewise.
3805 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
3806 gimplify_init_constructor, gimplify_expr): Likewise.
3807 * tree-dump.c (dequeue_and_dump): Likewise.
3808 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
3810 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
3812 * tree-sra.c (generate_element_init_1): Likewise.
3813 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3814 * tree-ssa-operands.c (get_expr_operands): Likewise.
3815 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
3816 * tree-vect-transform.c (vect_get_vec_def_for_operand):
3817 (get_initial_def_for_reduction): Likewise.
3818 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
3819 value handle in annotations.
3820 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
3821 tree_node_structure): Add support for constr_kind.
3822 (build_vector_from_ctor, build_constructor_single,
3823 build_constructor_from_list): New functions.
3824 (build_constructor): Update to take a VEC instead of a TREE_LIST.
3825 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
3826 Update to cope with VEC in CONSTRUCTOR_ELTS.
3827 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3828 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3829 CONSTRUCTOR_APPEND_ELT): New macros.
3830 (struct constructor_elt, struct tree_constructor): New data types.
3831 (union tree_node): Add tree_constructor field.
3832 * treestruct.def: Define TS_CONSTRUCTOR.
3833 * varasm.c (const_hash_1, compare_constant, copy_constant,
3834 compute_reloc_for_constant, output_addressed_constants,
3835 initializer_constant_valid_p, output_constant,
3836 array_size_for_constructor, output_constructor): Update to cope with
3837 VEC in CONSTRUCTOR_ELTS.
3838 * vec.h (VEC_empty, VEC_copy): New macros.
3840 2005-07-19 Devang Patel <dpatel@apple.com>
3842 * dbxout.c (dbxout_type): Check Objective-C++ lang.
3844 2005-07-19 Richard Henderson <rth@redhat.com>
3847 * gimplify.c (gimplify_expr): Use main variant type for the temp
3848 destination for a discarded volatile read.
3849 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3850 casts between non-void types that change volatility.
3852 2005-07-15 DJ Delorie <dj@redhat.com>
3854 * toplev.h: Add comment about the first parameter for warning().
3855 * errors.h: Likewise.
3857 * c.opt (Wpragmas): New.
3858 * doc/invoke.texi: Document it.
3860 * function.c (do_warn_unused_parameter): Add warning control to
3862 * c-decl.c (warn_if_shadowing): Likewise.
3863 * c-lex.c (cb_def_pragma): Likewise.
3864 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3865 (pop_alignment): Likewise.
3866 (handle_pragma_pack): Likewise.
3867 (apply_pragma_weak): Likewise.
3868 (handle_pragma_weak): Likewise.
3869 (handle_pragma_redefine_extname): Likewise.
3870 (add_to_renaming_pragma_list): Likewise.
3871 (handle_pragma_extern_prefix): Likewise.
3872 (maybe_apply_renaming_pragma): Likewise.
3873 (handle_pragma_visibility): Likewise.
3875 * config/c4x/c4x-c.c (BAD): Likewise.
3876 (c4x_parse_pragma): Likewise.
3877 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3878 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3879 (rs6000_pragma_longcall): Likewise.
3880 * config/v850/v850-c.c (pop_data_area): Likewise.
3881 (ghs_pragma_section): Likewise.
3882 (ghs_pragma_section): Likewise.
3883 (ghs_pragma_interrupt): Likewise.
3884 (ghs_pragma_starttda): Likewise.
3885 (ghs_pragma_startsda): Likewise.
3886 (ghs_pragma_startzda): Likewise.
3887 (ghs_pragma_endtda): Likewise.
3888 (ghs_pragma_endsda): Likewise.
3889 (ghs_pragma_endzda): Likewise.
3891 2005-07-19 Danny Berlin <dberlin@dberlin.org>
3892 Kenneth Zadeck <zadeck@naturalbridge.com>
3894 * Makefile.in: Removed tree-promote-statics.c
3895 * tree-promote-statics.c: Removed.
3896 * common.opt: Removed flag-promote-statics.
3898 * passes.c: Removed tree-promote-statics pass.
3899 * tree-pass.h: Ditto.
3900 * timevar.def: Removed TV_PROMOTE_STATICS.
3903 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
3905 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
3907 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
3909 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3912 * c-common.c (check_function_arguments): Call
3913 'check_function_format' if either -Wformat or
3914 -Wmissing-format-attribute are specified.
3915 * c-format.c (check_function_format): Check -Wformat before
3916 calling 'check_format_info'.
3917 * c-opts.c (c_common_post_options): Don't warn for
3918 -Wmissing-format-attribute without -Wformat.
3919 * c-typeck.c (convert_for_assignment): Detect additional cases for
3920 -Wmissing-format-attribute.
3921 * doc/invoke.texi (-Wmissing-format-attribute): Document new
3924 2005-07-19 Richard Guenther <rguenther@suse.de>
3926 * config/i386/i386.md (lrint<mode>2): Use temporary
3927 instead of clobbering non-existent memory.
3929 2005-07-19 Nick Clifton <nickc@redhat.com>
3931 * config/avr/avr.c (legitimate_address_p): Fix debugging print
3932 statement to avoid displaying ASCII control characters.
3934 2005-07-19 Ben Elliston <bje@au.ibm.com>
3936 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
3937 * cfganal.c (find_edge_index): Ditto.
3938 * combine.c (combine_instructions): Ditto.
3939 * ddg.c (create_scc): Ditto.
3940 (find_successors): Ditto.
3941 (find_predecessors): Ditto.
3942 (find_nodes_on_paths): Ditto.
3943 (longest_simple_path): Ditto.
3944 * flow.c (update_life_info): Ditto.
3945 (count_or_remove_death_notes): Ditto.
3946 (clear_log_links): Ditto.
3947 * modulo-sched.c (generate_reg_moves): Ditto.
3948 (find_max_asap): Ditto.
3949 (find_max_hv_min_mob): Ditto.
3950 (find_max_dv_min_mob): Ditto.
3951 * sbitmap.c (sbitmap_first_set_bit): Ditto.
3952 * sched-rgn.c (extract_edgelst): Ditto.
3953 * tree-into-ssa.c (prepare_names_to_update): Ditto.
3954 (dump_update_ssa): Ditto.
3955 (ssa_names_to_replace) Ditto.
3956 (switch_virtuals_to_full_rewrite): Ditto.
3957 (update_ssa): Ditto.
3958 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
3960 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
3962 Fix PR tree-optimization/22483
3964 * tree-complex.c (create_components): Use
3965 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
3966 * tree-flow-inline.h (fill_referenced_var_vec): New function.
3967 * tree-flow.h (safe_referenced_var_iterator): New structure.
3968 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
3969 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
3970 safe_referenced_var iterator.
3971 (add_type_alias): Ditto.
3973 2005-07-19 Steven Bosscher <stevenb@suse.de>
3975 * loop-init.c (rest_of_handle_loop2): Remove.
3976 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
3977 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
3978 (pass_rtl_loop_init, pass_rtl_loop_done,
3979 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
3980 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
3981 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
3982 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
3983 pass_tree_loop_done, and pass_tree_unswitch.
3984 (gate_loop): Rename to gate_tree_loop.
3985 * passes.c (init_optimization_passes): Update for renamed tree
3986 loop passes. Add the new loop2 passes as subpasses of loop2.
3987 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
3988 Update for the renamed tree loop passes.
3990 2005-07-18 Ian Lance Taylor <ian@airs.com>
3993 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
3994 blocks when optimizing.
3996 2005-07-18 Steve Ellcey <sje@cup.hp.com>
3998 * common.opt (frename-registers): Initialize to 2.
4000 (fgcse-after-reload): Ditto.
4001 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4002 (process_options): Only change flag_web, flag_rename_registers,
4003 and flag_rerun_cse_after_loop if not explicitly set by user.
4005 2005-07-18 Jan Beulich <jbeulich@novell.com>
4007 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4008 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4009 in 64-bit mode the same as DImode in 32-bit mode.
4010 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4011 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4012 mode. Add new mode parameter.
4013 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4014 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4015 x86_64_shift_adj): New expanders.
4016 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4017 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4019 Respective new splitters. Use renamed shift splitter helpers in 32-bit
4020 DImode shift splitters.
4021 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4022 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4025 2005-07-18 Jan Beulich <jbeulich@novell.com>
4027 * i386.md (movdi_extzv_1): New.
4028 (zero_extendhidi2): Combine alternatives and never force use of
4030 (zero_extendqidi2): Likewise. Don't restrict input selection.
4032 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4034 Fix PR tree-optimization/22531
4035 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
4038 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4040 * tree-promote-statics.c (pass_promote_statics): Change dump file
4043 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4045 * tree-optimize.c (init_tree_optimization_passes): Add
4046 pass_eliminate_useless_stores pass.
4047 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4048 * tree-ssa-pre.c (is_copy_stmt): New function.
4049 (follow_copies_till_vuse): Ditto.
4050 (do_eustores): Ditto.
4051 (gate_eustores): Ditto.
4053 2005-07-16 Richard Henderson <rth@redhat.com>
4055 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4057 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4058 Kenneth Zadeck <zadeck@naturalbridge.com>
4060 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4061 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4062 ipa-type-escape.h, tree-promote-statics.c
4063 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4064 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4065 tree-promote-statics.c: new files.
4066 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4067 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4068 int nonlocal_set_p, mark_constant_function): Deleted.
4069 (rest_of_handle_cfg): Removed call to mark_constant_function.
4070 (nonoverlapping_component_refs_p): Added calls to support
4071 type based aliasing.
4072 * tree-ssa-alias.c (may_alias_p,
4073 compute_flow_insensitive_aliasing): Ditto.
4074 * calls.c (flags_from_decl_or_type): Removed reference to
4076 * c-typeck.c (convert_arguments): Make builtins tolerant of having
4077 too many arguments. This is necessary for Spec 2000.
4078 * cgraph.h (const_function, pure_function): Removed.
4079 * common.opt: Added "fipa-pure-const", "fipa-reference",
4080 "fipa-type-escape", and "ftree-promote-static".
4082 * passes.c: Added ipa and tree-promote-statics passes.
4083 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4084 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4085 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4086 * tree-flow.h: Added exposed sra calls and addition of
4087 reference_vars_info field for FUNCTION_DECLS.
4088 * tree-pass.h: Added passes.
4089 * tree-sra.c: (sra_init_cache): New function.
4090 (sra_insert_before, sra_insert_after) Made public.
4091 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4093 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4094 aliasing. (may_alias_p): Added code to use type escape analysis to
4096 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4097 code to prune clobbers of static variables based on information
4098 produced in ipa-reference pass. Changed call clobbering so that
4099 statics are not marked as clobbered if the call does not clobber
4102 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
4104 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4107 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4109 * doc/install.texi (*-*-solaris2*): Document recommended version
4110 of GNU binutils and mention GNU linker problem on Solaris 10.
4112 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
4115 * c-decl.c (c_build_bitfield_integer_type): New function.
4116 (finish_struct): Call it.
4117 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4119 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4121 * c-typeck.c (digest_init): Call 'convert_for_assignment'
4124 2005-07-16 Jan Hubicka <jh@suse.cz>
4126 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4127 (scale_bbs_frequencies_int): Watch roundoff errors.
4128 * predict.c (return_prediction): Initialize return_stmt.
4130 2005-07-16 Jan Hubicka <jh@suse.cz>
4132 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4133 after RTL profiling.
4135 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
4138 * fold-const.c (build_range_check): Convert high/low to etype
4139 if we are only comparing against exp.
4141 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
4143 Fix PR tree-optimization/22376
4144 * tree-ssa-structalias.c (build_constraint_graph): We really meant
4146 (need_to_solve): New function.
4147 (compute_points_to_sets): Use it.
4149 2005-07-15 Jan Hubicka <jh@suse.cz>
4151 * cfg.c (update_bb_profile_for_threading): More diagnostic.
4152 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4154 2005-07-15 Richard Guenther <rguenther@suse.de>
4156 * c-common.c (handle_flatten_attribute): New function.
4157 Add flatten function attribute.
4158 * doc/extend.texi: Document flatten function attribute.
4159 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4160 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4162 (cgraph_decide_inlining): Handle functions with flatten
4165 2005-07-14 David Edelsohn <edelsohn@gnu.org>
4167 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4168 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4169 UNSPEC_XCHG, UNSPEC_AND): New.
4170 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4171 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4172 * config/rs6000/sync.md (FETCHOP): New code macro.
4173 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4175 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4176 (sync_compare_and_swap<mode>): Same.
4177 (sync_lock_test_and_set<mode>): Same.
4178 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4179 for QImode and HImode, and not PPC405.
4180 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4181 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4182 (sync_<fetchop>{si,di}_internal): New.
4183 (sync_nand{si,di}_internal): New.
4184 (sync_old_<fetchop>{si,di}_internal): New.
4185 (sync_old_nand{si,di}_internal): New
4186 (sync_new_<fetchop>{si,di}_internal): New.
4187 (sync_new_nand{si,di}_internal): New.
4188 (atomic_and{si,di}): New.
4189 (sync_new_nand{si,di}_internal): New.
4190 (atomic_and{si,di}): New.
4191 (sync_add<mode>_internal): Delete.
4192 (sync_addshort_internal): Use unspec instead of unspec_volatile.
4193 (sync_sub<mode>_internal): Delte.
4194 (sync_subshort_internal): New.
4195 (sync_andsi_internal): Use unspec instead of unspec_volatile.
4196 (sync_anddi_internal): Delete.
4197 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4198 (sync_booldi_internal): Delete.
4199 (sync_boolc<mode>_internal): Delete.
4200 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4201 (sync_boolc<mode>_internal2): Delete.
4202 (sync_boolcc<mode>_internal): Delete.
4203 (isync, lwsync): Use unspec instead of unspec_volatile.
4204 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4205 Revert UNSPEC_VOLATILE.
4206 (rs6000_split_atomic_op): New.
4207 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4209 2005-07-14 Eric Christopher <echristo@redhat.com>
4211 * config/mips/mips.c (mips_canonicalize_comparison): Cast
4212 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4214 2005-07-14 Eric Christopher <echristo@redhat.com>
4216 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4218 2005-07-14 Steven Bosscher <stevenb@suse.de>
4220 PR tree-optimization/22230
4221 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4222 the computation of the four cross productions for "range op range".
4224 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
4225 Ulrich Weigand <uweigand@de.ibm.com>
4228 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4231 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4233 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4235 2005-07-14 Steve Ellcey <sje@cup.hp.com>
4237 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4239 2005-07-14 Richard Guenther <rguenther@suse.de>
4242 * config/i386/i386-protos.h (ix86_function_value): Change
4243 prototype to match new target hook.
4244 * config/i386/i386.c (ix86_value_regno): Change prototype
4245 to take extra type argument.
4246 (TARGET_FUNCTION_VALUE): Define.
4247 (ix86_function_ok_for_sibcall): Pass extra argument to
4248 ix86_value_regno, check return slot rtx for exact match.
4249 (ix86_function_value): Take extra parameter. Dispatch to
4250 ix86_value_regno with fndecl/fntype as provided.
4251 (ix86_value_regno): Handle extra type argument.
4252 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4254 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4255 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4256 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4257 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4258 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4260 2005-07-14 Richard Guenther <rguenther@suse.de>
4262 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4263 * calls.c (expand_call): Pass fntype to hard_function_value.
4264 (emit_library_call_value_1): Likewise.
4265 * explow.c: Include target.h.
4266 (hard_function_value): Take extra argument, the fntype.
4267 Use new target hook for function_value.
4268 * expr.h (hard_function_value): Change prototype.
4269 * function.c (aggregate_value_p): Pass 0 as fntype to
4270 hard_function_value.
4271 (assign_parms): Use new target hook for function_value.
4272 Pass 0 as fntype to hard_function_value.
4273 (expand_function_end): Likewise.
4274 * reg-stack.c: Include target.h.
4275 (stack_result): Use new target hook for function_value.
4276 * target-def.h: New target hook function_value.
4277 * target.h: Likewise.
4278 * targhooks.c (default_function_value): New function.
4279 * targhooks.h (default_function_value): Declare.
4281 2005-07-13 Ian Lance Taylor <ian@airs.com>
4283 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4285 2005-07-14 Jan Hubicka <jh@suse.cz>
4287 * tree-dfa.c (dump_variable): Use default_def function.
4288 * tree-ssa-alias.c (dump_points_to_info): Likewise.
4289 * tree-ssa.c (verify_use): Likewise.
4290 * tree-ssanames.c (release_ssa_name): Likewise.
4291 * tree-tailcall.c (eliminate_tail_call): Likewise.
4292 (tree_optimize_tail_calls_1): Likewise.
4293 * tree-vrp.c (get_value_range): Likewise.
4295 2005-07-14 Ben Elliston <bje@au.ibm.com>
4297 * gcc.c (main): Compare language[0] with '*' when iterating over
4300 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
4302 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4303 "s390_emit_compare". Add handling of CCZ1mode.
4304 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4305 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4307 (s390_branch_condition_mask): Add CCZ1mode handling.
4308 * config/s390/s390.md: ("seq", "*seq"): New pattern.
4309 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
4310 Use CCZ1mode instead of CCZmode.
4311 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
4313 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
4315 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
4317 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
4319 2005-07-13 Eric Christopher <echristo@redhat.com>
4321 * config/mips/mips.c (mips_canonicalize_comparison): New.
4322 (mips_emit_int_relational): Use.
4324 2005-07-13 Eric Christopher <echristo@redhat.com>
4326 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4328 * config/s390/s390.md: Include tpf.md. Move tpf specific
4330 * config/s390/tpf.md: To here.
4331 * config/s390/s390.opt: Move tpf specific options...
4332 * config/s390/tpf.opt: to here. Add mmain option.
4333 * config/s390/tpf-unwind.h: Remove unnecessary defines.
4334 * config/s390/tpf.h: Rewrite.
4336 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
4338 * doc/tm.texi: Remove @xref{Cross-profiling}.
4340 2005-07-13 Jeff Law <law@redhat.com>
4342 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
4343 expressions, test their _DECL operands for pointer equality rather
4344 than using operand_equal_p.
4346 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
4348 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
4349 (TARGET_POSIX_IO): This.
4350 * config/darwin.h: Likewise.
4351 * config/freebsd.h: Likewise.
4352 * config/linux.h: Likewise.
4353 * config/lynx.h: Likewise.
4354 * config/netbsd.h: Likewise.
4355 * config/rs6000/linux64.h: Likewise.
4356 * config/rs6000/linux.h: Likewise.
4357 * config/s390/tpf.h: Likewise.
4358 * config/sh/embed-elf.h: Likewise.
4359 * config/sparc/linux64.h: Likewise.
4360 * config/sparc/linux.h: Likewise.
4361 * config/svr4.h: Likewise.
4362 * gcov-io.h: Likewise.
4364 * doc/tm.texi: Updated.
4366 * libgcov.c (create_file_directory): Defined only if
4367 TARGET_POSIX_IO is defined.
4368 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
4371 2005-07-13 Jan Hubicka <jh@suse.cz>
4373 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
4375 2005-07-13 David Edelsohn <edelsohn@gnu.org>
4377 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
4378 structure as argument.
4380 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
4382 PR tree-optimization/21921
4383 * tree-iterator.c (tsi_link_before): Support the case when
4384 tsi_end_p (tsi) == true.
4386 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
4388 PR tree-optimization/22442
4389 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
4392 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
4394 PR rtl-optimization/20376
4395 * toplev.c (process_options): Enable -fweb and -frename-registers when
4397 * doc/invoke.texi: Update the information about when -fweb and
4398 -frename-registers are enabled.
4400 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
4403 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
4404 if *rhs_p is not a SSA_NAME.
4406 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
4408 Fix PR tree-optimization/22422
4409 * tree-ssa-structalias.c (struct variable_info): Add flag for
4411 (get_varinfo): Now a static function.
4412 (new_varinfo): init has_union and is_special_var to false.
4413 (solution_set_add): Check has_union.
4414 (do_da_constraint): Move temporary variable so it gets reset
4416 Also check for special variable.
4417 (do_ds_constraint): Ditto.
4418 (do_sd_constraint): Ditto.
4419 (do_structure_copy): Check for special variable.
4420 (find_func_aliases): Ditto.
4421 (init_base_vars): Set special vars properly.
4423 2005-07-13 Jan Hubicka <jh@suse.cz>
4425 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
4428 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
4429 (get_expr_operands): Fix thinko wrt flags and subvars.
4431 PR tree-optimize/22379
4432 * tree-inline.c (expand_call_inline): Do not output sorry in early
4435 2005-07-12 Dale Johannesen <dalej@apple.com>
4437 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
4439 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
4442 * host-linux.h: Include limits.h.
4444 2005-07-12 Dale Johannesen <dalej@apple.com>
4446 * expr.c (compress_float_constant): Add cost check.
4447 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
4449 2005-07-12 Dale Johannesen <dalej@apple.com>
4451 * gcc.target/i386/compress-float-sse.c: New.
4452 * gcc.target/i386/compress-float-sse-pic.c: New.
4453 * gcc.target/i386/compress-float-387.c: New.
4454 * gcc.target/i386/compress-float-387-pic.c: New.
4455 * gcc.dg/compress-float-ppc.c: New.
4456 * gcc.dg/compress-float-ppc-pic.c: New.
4458 2005-07-12 Eric Christopher <echristo@redhat.com>
4460 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4462 * config/s390/s390.md: Include tpf.md. Move tpf specific
4464 * config/s390/tpf.md: To here.
4465 * config/s390/s390.opt: Move tpf specific options...
4466 * config/s390/tpf.opt: to here. Add mmain option.
4467 * config/s390/tpf-unwind.h: Remove unnecessary defines.
4468 * config/s390/tpf.h: Rewrite.
4470 2005-07-12 Eric Christopher <echristo@redhat.com>
4472 * gcc.c (struct infile): Update comment for language.
4473 (main): Rewrite input file resetting code.
4475 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
4478 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
4479 requiring a cast in a non RHS of modify_expr. Add a cast when required.
4480 (lookup_avail_expr): Use constant_boolean_node instead
4481 of boolean_false_node/boolean_true_node.
4483 2005-07-12 Ben Elliston <bje@au.ibm.com>
4485 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
4486 and use it when printing num_edges.
4488 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
4490 * doc/extend.texi (Blackfin Built-in Functions): New section.
4491 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
4494 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
4496 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
4497 s/cmpstrsi/cmpstrnsi
4498 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
4500 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
4501 (init_optabs): Initialize cmpstrn_optab.
4502 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
4503 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
4504 * expr.c: (enum insn_code cmpstrn_optab): Declare.
4505 * config/i386/i386.md: s/cmpstr/cmpstrn
4506 * config/c4x/c4x.md: s/cmpstr/cmpstrn
4507 * doc/md.texi: Update documentation.
4509 2005-07-11 Richard Henderson <rth@redhat.com>
4511 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
4512 build_va_arg_indirect_ref.
4513 (alpha_gimplify_va_arg): Likewise.
4514 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4515 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
4516 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
4517 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4518 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
4519 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
4521 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
4523 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
4525 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
4526 * passes.c (init_optimization_passes): Add pass_empty_loop.
4527 * tree-pass.h (pass_empty_loop): Declare.
4528 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
4529 try_remove_empty_loop, remove_empty_loops): New functions.
4530 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
4531 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
4533 2005-07-12 Peter Barada <peter@the-baradas.com>
4537 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
4538 in address registers.
4539 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
4540 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
4541 alternative of addsi3_5200.
4543 2005-07-11 Ian Lance Taylor <ian@airs.com>
4545 * config/mips/mips.md (ffs<mode>2): Remove.
4547 2005-07-11 Ian Lance Taylor <ian@airs.com>
4549 * doc/tree-ssa.texi (Cleanups): Improve description of
4551 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
4553 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
4555 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
4556 * tree.h (DECL_ARGUMENT_FLD): New macro.
4558 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
4560 Fix PR tree-optimization/22404
4562 * tree-ssa-structalias.c (create_variable_info_for): Use
4565 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
4567 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
4568 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
4569 for second comparison operand.
4570 * config/bfin/predicates.md (reg_or_const_int_operand): New.
4572 * config/bfin/bfin.md (define_attr "type"): Add "sync".
4573 (define_insn_reservation "alu"): Likewise.
4574 (csync, ssync): Now of type sync.
4575 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
4576 -mcsync-anomaly -mspecld-anomaly.
4577 * config/bfin/bfin.opt (mcsync): Remove.
4578 (mcsync-anomaly, mspecld-anomaly): Add.
4579 * config/bfin/bfin.c: Include "insn-codes.h".
4580 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
4581 (TARGET_DEFAULT_TARGET_FLAGS): New.
4582 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
4584 2005-07-11 Steven Bosscher <stevenb@suse.de>
4586 * basic-block.h: Give the BB flags enum a name, bb_flags.
4587 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
4588 * cfgcleanup.c (enum bb_flags): Remove here.
4589 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
4590 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
4591 (update_forwarder_flag): Likewise.
4592 (thread_jump): Likewise.
4593 (try_forward_edges): Likewise.
4594 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
4595 forwarder flags. Don't clear bb->aux for all basic blocks. Only
4596 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
4598 2005-07-11 Richard Guenther <rguenther@suse.de>
4600 * config/i386/i386.opt: New target option -msseregparm.
4601 * config/i386/i386.c (override_options): Error out for
4602 -msseregparm but no SSE support.
4603 (ix86_function_sseregparm): Check for global sseregparm.
4604 * doc/invoke.texi: Document -msseregparm.
4606 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4608 * config.gcc (m32r-*-linux*): Use the default extra_parts.
4609 (m32rle-*-linux*): Ditto.
4611 2005-07-11 Jakub Jelinek <jakub@redhat.com>
4613 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
4614 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
4617 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4621 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
4622 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
4624 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
4626 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
4627 (varmap): Heapify varmap.
4628 (constraints): Heapify constraints.
4629 (struct constraint_graph): Heapify succs and preds.
4630 (constraint_vec_find): Update for heapification.
4631 (constraint_set_union): Ditto.
4632 (insert_into_complex): Ditto.
4633 (constraint_edge_vec_find): Ditto.
4634 (erase_graph_self_edge): Ditto.
4635 (add_graph_edge): Ditto.
4636 (get_graph_weights): Ditto.
4637 (merge_graph_nodes): Ditto.
4638 (build_constraint_graph): Ditto.
4639 (topo_visit): Ditto.
4640 (solve_graph): Ditto.
4641 (create_variable_info_for): Ditto.
4642 (init_base_vars): Ditto.
4643 (delete_points_to_sets): Free graph, varmap, and complex constraints.
4644 (condese_varmap_nodes): Free complex vector.
4645 (clear_edges_for_node): Clear succs and preds vector.
4647 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
4649 * tree-ssa-structalias.c (update_alias_info): Change counting of
4650 references to not include vdefs.
4652 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
4654 * tree-ssa-alias.c (free_used_part_map): Add missing free.
4657 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4659 * pa.c (pa_commutative_p): Make PLUS commutative when
4660 TARGET_NO_SPACE_REGS is true.
4662 2005-07-09 Diego Novillo <dnovillo@redhat.com>
4664 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
4665 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
4666 * tree-dfa.c (dump_subvars_for): New.
4667 (debug_subvars_for): New.
4668 (dump_variable): Show subvariables if VAR has them.
4669 * tree-flow-inline.h (get_subvar_at): New.
4670 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
4671 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
4673 (struct subvar): Change fields offset and size to unsigned
4675 (dump_subvars_for): Declare.
4676 (debug_subvars_for): Declare.
4677 (get_subvar_at): Declare.
4678 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
4679 to unsigned HOST_WIDE_INT *.
4680 (overlap_subvar): Likewise.
4681 * tree-gimple.c (is_gimple_reg): Always return false for
4682 SFTs and memory tags.
4683 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
4685 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
4686 (compute_may_aliases): Call compute_points_to_sets.
4687 (collect_points_to_info_for): Remove.
4688 (compute_points_to_and_addr_escape): Remove.
4689 (delete_alias_info): Call delete_points_to_sets.
4690 (compute_flow_sensitive_aliasing): If the call to
4691 find_what_p_points_to returns false, call set_pt_anything.
4692 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
4693 (set_pt_anything): Clear pi->pt_vars.
4694 (set_pt_malloc): Remove.
4695 (merge_pointed_to_info): Remove.
4696 (add_pointed_to_expr): Remove.
4697 (add_pointed_to_var): Remove.
4698 (collect_points_to_info_r): Remove.
4699 (is_escape_site): Make extern.
4701 (create_overlap_variables_for): Call it.
4702 * tree-ssa-copy.c (merge_alias_info): Never merge
4703 flow-sensitive alias information.
4704 * tree-ssa-operands.c (get_expr_operands): Adjust variables
4705 offset and size to be unsigned HOST_WIDE_INT.
4706 (add_to_addressable_set): Rename from note_addressable.
4707 Set TREE_ADDRESSABLE as the variables are added to the set.
4709 (add_stmt_operand): Do not try to micro-optimize unmodifiable
4710 operands into VUSEs when adding V_MAY_DEFs for members in an
4712 * tree-ssa-operands.h (add_to_addressable_set): Declare.
4713 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
4714 (struct variable_info): Add bitfield is_heap_var.
4715 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
4716 (new_var_info): Initialize is_heap_var.
4717 (get_constraint_for): Add HEAP variables to the symbol table.
4718 Mark them with is_heap_var.
4719 (update_alias_info): New. Taken mostly from the old
4720 compute_points_to_and_addr_escape.
4721 (handle_ptr_arith): New.
4722 (find_func_aliases): Call update_alias_info.
4723 Call handle_ptr_info for tcc_binary expressions.
4724 Call mark_stmt_modified.
4725 (create_variable_info_for): If DECL has subvars, do not create
4726 variables for its subvars. Always add all the fields.
4727 (set_uids_in_ptset): If the solution includes ANYOFFSET and
4728 SFTs, then add all the SFTs of the structure.
4729 If VI->DECL is an aggregate with subvariables, add the SFT at
4731 (find_what_p_points_to): If VI is an artificial variable,
4732 translate to bitfields in SSA_NAME_PTR_INFO.
4733 If the solution is empty, set pi->pt_vars to NULL
4734 (init_base_vars): Create ANYOFFSET.
4735 (compute_points_to_sets): Rename from create_alias_vars.
4737 (pass_build_pta): Remove.
4738 (delete_points_to_sets): Rename from delete_alias_vars.
4739 (pass_del_pta): Remove.
4740 * tree-ssa-structalias.h (struct alias_info): Move from
4742 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
4743 NUM_REFERENCES_SET): Likewise.
4744 (compute_points_to_sets, delete_points_to_sets): Declare.
4746 2005-07-09 Richard Henderson <rth@redhat.com>
4748 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
4749 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
4750 alpha_split_lock_test_and_set_12): New functions.
4751 * config/alpha/alpha-protos.h: Update.
4752 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
4753 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
4754 * config/alpha/sync.md (I12MODE): New.
4755 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
4756 (sync_<fetchop_name><I48MODE>): Likewise.
4757 (sync_nand<I48MODE>): Likewise.
4758 (sync_old_<fetchop_name><I48MODE>): Likewise.
4759 (sync_new_<fetchop_name><I48MODE>): Likewise.
4760 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4761 (sync_compare_and_swap<I48MODE>): Likewise.
4762 (sync_lock_test_and_set<I48MODE>): Likewise.
4763 (sync_compare_and_swap<I12MODE>): New.
4764 (sync_compare_and_swap<I12MODE>_1): New.
4765 (sync_lock_test_and_set<I12MODE>): New.
4766 (sync_lock_test_and_set<I12MODE>_1): New.
4768 2005-07-09 Diego Novillo <dnovillo@redhat.com>
4772 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
4774 2005-07-09 Jakub Jelinek <jakub@redhat.com>
4776 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
4777 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
4779 2005-07-09 Richard SAndiford <richard@codesourcery.com>
4782 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4784 2005-07-08 David Edelsohn <edelsohn@gnu.org>
4786 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
4787 memory_operand constraint.
4788 (store_conditional_<mode>): Same.
4789 (sync_compare_and_swap<mode>): Same.
4790 (sync_lock_test_and_set<mode>): Same.
4792 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
4794 Rewrite PIC support to more closely model actual instructions.
4795 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
4796 (cris_symbol): Remove prototypes for removed functions.
4797 (cris_pic_symbol_type_of, cris_valid_pic_const)
4798 (cris_expand_pic_call_address): Prototypes for new functions.
4799 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
4801 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
4803 <case ':'>: Add case for new punctuation character.
4804 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
4805 emitting (extra) PIC modifier.
4806 <case UNSPEC>: Do not assert for PLT.
4807 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
4808 (cris_expand_prologue, cris_expand_epilogue): Check
4809 for pic_offset_table_rtx usage instead of taking
4810 current_function_uses_pic_offset_table as the final word.
4811 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
4812 Remove flag_pic difference.
4813 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
4814 the moral equivalents of...
4815 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
4817 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
4818 (cris_handle_option): Mark ARG as unused.
4819 (cris_expand_pic_call_address): New worker function for "call",
4821 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
4822 output PIC constructs here.
4823 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
4824 as symbol-specific modifers, not whole or part of operands.
4825 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
4826 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
4827 constants and flag_pic.
4828 (CONSTANT_INDEX_P): Adjust for new functions.
4829 (enum cris_pic_symbol_type): New helper type.
4830 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
4831 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
4832 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4834 ("movsi"): Emit actual instructions for GOT and relative access.
4835 ("*movsi_got_load"): New pattern to set up the register holding
4837 ("*movsi_internal"): Operand 1 is not a plain general_operand.
4838 Adjust FIXME for 'S'.
4839 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4840 Use "movs" for -fpic cases.
4841 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4842 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4843 ("call", "call_value"): Just call cris_expand_pic_call_address for
4845 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4846 Remove special pattern.
4847 ("*expanded_call_side", "*expanded_call_value_side"): New
4849 (gotplt-to-plt, gotplt-to-plt-side-call)
4850 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
4852 * config/cris/cris/predicates.md
4853 ("cris_general_operand_or_gotless_symbol"): Remove unused
4855 ("cris_general_operand_or_symbol"): Adjust for new functions.
4857 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4859 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
4861 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
4863 * Makefile.in (TREE_H): Add treestruct.def.
4864 (c-decl.o): Add pointer-set.h
4865 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
4866 visibility on regular DECL's.
4867 (merge_decls): Fix the copying of decl nodes of various types for
4868 the new structures. Don't update RTL, section name, weak status,
4869 etc, on DECL's without RTL.
4870 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
4871 Don't check volatile on non-variable types.
4872 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
4873 to check whether we have seen arguments.
4874 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
4875 flag is checked before field (flag is common, field is not).
4876 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
4877 TS_DECL_COMMON could have an origin.
4878 (add_location_or_const_value_attribute): Don't check section name
4879 on non-var/function decls.
4880 (dwarf2out_var_location): Reverse order of tests.
4881 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
4882 with DECL_WRTL_CHECK.
4883 * expmed.c (make_tree): rtl is now in decl_with_rtl.
4884 * fold-const.c (fold_binary): Don't check weakness on
4885 non-var/function decls.
4886 (tree_expr_nonzero_p): Ditto.
4887 (fold_checksum_tree): Use tree_decl_extra as sizeof
4889 * ggc-page.c (extra_order_size_table): Add sizes for
4890 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
4892 * gimplify.c (gimplify_bind_expr): Only set
4893 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
4894 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
4896 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
4897 * langhooks.h (init_ts). New langhook.
4898 * passes.c (rest_of_decl_compilation): Reverse order of tests.
4899 * print-tree.c (print_node): Update to only print fields that
4900 exist in the structures the passed decl has.
4901 * toplev.c (wrapup_global_declarations): Don't reset
4902 DECL_DEFER_OUTPUT on DECL's that don't contain it.
4903 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
4904 * tree-inline.c (remap_decl): Ditto.
4905 * tree-outof-ssa.c (create_temp): Reverse order of tests.
4906 * tree-pretty-print.c (print_declaration): Don't print
4907 DECL_REGISTER on things that don't contain it.
4908 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
4909 non-var/function decls.
4910 * tree.c (tree_contains_struct): New structure.
4911 (init_priority_for_decl): New hashtable.
4912 (tree_int_map): New structure.
4913 (tree_int_map_eq): New function.
4914 (tree_int_map_marked_p): Ditto.
4915 (tree_int_map_hash): Ditto.
4916 (tree_map): Move to tree.h.
4917 (tree_map_eq): Externalize.
4918 (tree_map_hash): Ditto.
4919 (tree_map_marked_p): Ditto.
4920 (init_ttree): Set up tree_contains_struct and call langhook.
4921 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
4922 (tree_code_size): Update for new structures.
4923 (tree_node_structure): Update for new structures.
4924 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
4926 (copy_node_stat): Copy init priority.
4927 (build_decl_stat): Ditto for visibility.
4928 (ts_enum_names): New.
4929 (tree_contains_struct_check_failed): New function.
4930 (decl_init_priority_lookup): Ditto.
4931 (decl_init_priority_insert): Ditto.
4932 * treestruct.def: New file.
4933 * tree.h (CODE_CONTAINS_STRUCT): New macro.
4934 (CONTAINS_STRUCT_CHECK): Ditto.
4935 (tree_contains_struct_check_failed): New prototype.
4936 (DECL_CHECK): Removed.
4937 (DECL_MINIMAL_CHECK): New.
4938 (DECL_COMMON_CHECK): Ditto.
4939 (DECL_WRTL_CHECK): Ditto.
4940 (DECL_NON_COMMON_CHECK): Ditto.
4941 (DECL_WITH_VIS_CHECK): Ditto.
4942 (VAR_OR_FUNCTION_DECL_P): Ditto
4943 (struct tree_decl_minimal): New structure.
4944 (struct tree_decl_common): Ditto.
4945 (struct tree_decl_with_rtl): Ditto.
4946 (struct tree_decl_with_vis): Ditto.
4947 (struct tree_decl_non_common): Ditto.
4948 (struct tree_field_decl): Ditto.
4949 (struct tree_parm_decl): Ditto.
4950 (struct tree_var_decl): Ditto.
4951 (struct tree_function_decl): Ditto.
4952 (struct tree_const_decl): Ditto.
4953 (struct tree_result_decl): Ditto.
4954 (union tree_node): Add new structures.
4955 * var-tracking.c (track_expr_p): Reverse order of tests.
4957 * doc/c-tree.texi: Add documentation on DECL node internal structure.
4959 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
4961 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
4962 * system.h: Poison FINALIZE_PIC.
4963 * doc/tm.texi (FINALIZE_PIC): Remove.
4965 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4968 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
4969 to the correct type if we have a MODIFY_EXPR.
4971 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
4973 PR tree-optimization/22360
4974 * tree.c (upper_bound_in_type): Fix calculations for casting
4975 to a non-wider signed type and casting a signed value to a
4976 wider unsigned type.
4977 (lower_bound_in_type): Fix calculations for casting to a
4978 non-wider signed type.
4980 PR tree-optimization/20139
4981 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
4983 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
4984 fold_cond_expr_cond.
4985 * tree-ssanames.c (release_defs): Assert in_ssa_p.
4986 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
4988 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4991 * tree-complex.c (expand_complex_libcall): Produce
4992 REALPART_EXPR/IMAGPART_EXPR with the correct type.
4994 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
4996 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
4997 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
4998 b" assert and inserted fastpath code for this case.
4999 (bitmap_ior): Removed "a != b" assert.
5001 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5003 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5004 (ENDFILE_SPEC): Likewise.
5005 * config/m32r/m32r.h (ASM_SPEC): Likewise.
5007 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5008 a large stack frame at epilogue.
5010 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
5012 * final.c: Include sdbout.h when required.
5014 2005-07-07 Geoffrey Keating <geoffk@apple.com>
5016 * config.gcc (*-*-darwin*): Only one target-specific header file
5018 (powerpc-*-darwin*): Add version-specific header files.
5019 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5020 * config.in: Regenerate.
5021 * configure: Regenerate.
5022 * gcc.c: Include xregex.h.
5023 (version_compare_spec_function): New.
5024 (spec_function): Add version-compare.
5025 (replace_outfile_spec_function): Reformat comment.
5026 (compare_version_strings): New.
5027 * config/darwin-c.c (version_as_macro): New.
5028 (builtin_define): New.
5029 (darwin_cpp_builtins): New.
5030 * config/darwin-protos.h (darwin_cpp_builtins): New.
5031 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5032 (LIB_SPEC): Make unconditional, update comment.
5033 (TARGET_C99_FUNCTIONS): Define.
5034 * config/darwin.opt: Sort.
5035 (mmacosx-version-min=): New.
5036 * config/darwin7.h: Delete.
5037 * config/darwin8.h: Delete.
5038 * config/i386/darwin.h (): Call darwin_cpp_builtins.
5039 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5040 (TARGET_C99_FUNCTIONS): Define.
5041 * config/rs6000/darwin7.h: New.
5042 * config/rs6000/darwin8.h: New.
5043 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5044 (-mmacosx-version-min): Document.
5046 2005-07-07 Ian Lance Taylor <ian@airs.com>
5048 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5050 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
5053 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5055 2005-07-07 Khem Raj <kraj@mvista.com>
5057 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5058 in bytes, not words.
5060 2005-07-07 Paul Brook <paul@codesourcery.com>
5062 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5063 DEFAULT_FUNCTION_ARG_PADDING to upward.
5065 2005-07-07 Richard Henderson <rth@redhat.com>
5067 * function.c (locate_and_pad_parm): Record parameter alignment in
5068 stack_alignment_needed.
5070 2005-07-07 David Edelsohn <edelsohn@gnu.org>
5072 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5073 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5074 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5075 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5076 (define_attr "type"): Add isync, sync, load_l, store_c.
5077 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5078 Create scratch volatile MEM.
5079 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
5081 (load_locked_<mode>): New.
5082 (store_conditional_<mode>): New.
5083 (sync_compare_and_swap<mode>): Replace with splitter.
5084 (sync_lock_test_and_set<mode>): Replace with splitter.
5085 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5087 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
5088 is ics. Attribute isync.
5089 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
5091 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5092 and UNSPECV_SYNC_OP.
5093 (emit_unlikely_jump): New.
5094 (emit_load_locked): New.
5095 (emit_store_conditional): New.
5096 (rs6000_split_compare_and_swap): New.
5097 (rs6000_split_lock_test_and_set): New.
5098 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5099 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5100 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5101 rs6000_split_lock_test_and_set): Declare.
5102 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5103 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5104 store_c, isync, sync.
5106 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
5108 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5109 filenames to gtyp-gen.h.
5110 (s-typ-gen): Use it in place of for loops.
5112 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
5114 * hooks.c (hook_bool_rtx_int_false): New function.
5115 * hooks.h (hook_bool_rtx_int_false): Declare.
5116 * target-def.h (TARGET_COMMUTATIVE_P): Define.
5117 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5118 * target.h (struct gcc_target): Add commutative_p member.
5119 * targhooks.c (hook_bool_rtx_commutative_p): New function.
5120 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5121 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5122 (pa_commutative_p): New function.
5123 * jump.c (target.h): Include.
5124 (rtx_renumbered_equal_p): Use targetm.commutative_p.
5125 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5127 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5129 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5130 (s390_expand_setmem): New.
5131 * config/s390/s390.c: Likewise.
5132 (print_shift_count_operand): Truncate to 12 bits instead of 6.
5134 * config/s390/s390.md: ("setmem<mode>"): Accept character as
5135 general_operand. Call new function "s390_expand_setmem".
5136 ("clrmem_long", "*clrmem_long"): Rewrite to ...
5137 ("setmem_long", "*setmem_long"): ... this.
5139 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5141 * config/s390/s390.c: (optimization_options): Enable
5142 TARGET_MVCLE at -Os.
5143 * doc/invoke.texi: Document changes in default behaviour.
5144 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5146 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5148 * expr.c: (set_storage_via_setmem): Convert opchar to mode
5149 defined by back-end.
5151 2005-07-07 Jakub Jelinek <jakub@redhat.com>
5153 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5154 all sets in the pattern.
5155 * config/rs6000/rs6000.md (stack_protect_testsi,
5156 stack_protect_testdi): Likewise.
5158 2005-07-06 Jeff Law <law@redhat.com>
5160 * tree-vrp.c (simplify_using_ranges): Kill.
5161 (vrp_finalize): Remove call to simplify_using_ranges.
5162 (simplify_stmt_using_ranges): New function extracted from
5163 simplify_using_ranges.
5164 (simplify_div_or_mod_using_ranges): Likewise.
5165 (simplify_abs_using_ranges): Likewise.
5166 (simplify_cond_using_ranges): New function.
5167 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5168 * tree-ssa-propagate.c (substitute_and_fold): Call
5169 simplify_stmt_using_ranges if we have range information.
5171 2005-07-06 James E. Wilson <wilson@specifixinc.com>
5173 * config/ia64/ia64.c (ia64_reorg): Check optimize before
5174 ia64_flag_schedule_isns2.
5176 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5177 reading/writing general registers.
5178 (ia64_function_arg): Revert 2005-06-18 change.
5180 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
5182 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5183 (legitimize_tls_address): Use gcc_unreachable instead of abort.
5185 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
5187 * function.c (expand_function_end): Revert part of 2005-06-27
5188 patch. Do sjlj_emit_function_exit_after after return_label.
5190 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
5192 * doc/install.texi (--disable-libssp): New.
5194 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
5196 * doc/invoke.texi: Update -fforce-mem documentation.
5197 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5198 code for -fforce-mem.
5199 * expmed.c: (store_bit_field,store_fixed_bit_field,
5200 extract_bit_field): Ditto.
5201 * expr.c: (convert_move): Ditto.
5202 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5203 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5204 emit_conditional_add,expand_float,expand_fix): Ditto.
5205 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5206 (common_handle_option): Issue warning when -fforce-mem specified.
5208 2005-07-06 Paul Brook <paul@codesourcery.com>
5210 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5212 * configure: Regenerate.
5214 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
5216 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5218 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
5220 Fix PR tree-optimization/22319
5221 Fix PR tree-optimization/22140
5222 Fix PR tree-optimization/22310
5224 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5225 variable sized types.
5226 Use correct type for intermediate structure on *a = *b structure
5229 2005-07-06 Jakub Jelinek <jakub@redhat.com>
5231 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5233 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5234 (machine_function): Move typedef to...
5235 * config/rs6000/rs6000.c (machine_function): ... here. Add
5236 varargs_save_offset field.
5237 (rs6000_stack_t): Remove varargs_size field.
5238 (setup_incoming_varargs): Allocate varargs save area using
5239 assign_stack_local, try to make it as small as possible.
5240 Save offset from virtual_stack_vars_rtx to the save area
5241 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
5242 instead of magic 8 when fp word byte size is used.
5243 (rs6000_va_start): Use cfun->machine->varargs_save_offset
5244 instead of -RS6000_VARARGS_SIZE.
5245 (rs6000_stack_info, debug_stack_info,
5246 rs6000_initial_elimination_offset): Remove all traces of
5248 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5249 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5250 RS6000_VARARGS_AREA.
5252 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5254 PR tree-optimization/21963
5255 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5256 constant_multiple_of in the same way get_computation_cost_at does.
5258 2005-07-06 Jakub Jelinek <jakub@redhat.com>
5260 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5261 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5262 (gen_compare_reg): If sparc_compare_emitted is set, clear it
5263 and return its previous value.
5264 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5265 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5267 (stack_protect_set, stack_protect_test): New expanders.
5268 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5269 stack_protect_testdi): New insns.
5270 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5271 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5273 2005-07-06 Jeff Law <law@redhat.com>
5275 * tree-ssa-dce.c (cfg_altered): New global.
5276 (tree_dce_init): Initialize cfg_altered.
5277 (remove_dead_stmt): If we remove an edge in the CFG, then set
5279 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5282 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
5284 * Makefile.in (stamp-collect-ld): Use
5285 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
5286 ./collect-ld if it already exists.
5287 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5288 Don't remove ./nm if it already exists.
5290 2005-07-05 Devang Patel <dpatel@apple.com>
5292 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5293 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5294 * tree-vectorizer.c (vect_loop_location): New.
5295 (vect_print_dump_info): Use vect_loop_location.
5296 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5297 (vectorize_loops): Set vect_loop_location.
5298 * tree-vect-analyze.c (vect_analyze_offset_expr,
5299 vect_determin_vectorization_factor, vect_analyze_operations,
5300 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5301 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5302 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5303 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5304 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5305 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5306 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5307 vect_analyze_loop): Adjust vect_print_dump_info API.
5308 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5309 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
5310 vect_finish_stmt_generation, vectorizable_assignment,
5311 vectorizable_operation, vectorizable_store, vectorizable_load,
5312 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
5313 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
5314 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
5315 vect_transform_loop): Same.
5316 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
5317 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
5320 2005-07-05 Randolph Chung <tausq@debian.org>
5322 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
5323 * configure: Regenerate.
5324 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
5325 (pa_tls_referenced_p): Declare.
5326 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
5327 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
5328 (legitimize_tls_address): New.
5329 (hppa_legitimize_address): Handle TLS addresses.
5330 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
5331 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5332 (emit_move_sequence): Handle TLS addresses.
5333 (pa_encode_section_info): Call default handler to handle common
5335 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
5336 (CONSTANT_ADDRESS_P): Reject TLS operands.
5337 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
5338 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
5339 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
5340 (UNSPEC_TLSLE): Define new constants.
5341 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
5342 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
5343 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
5344 (tie_symbolic_operand, tle_symbolic_operand): New
5346 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
5348 * aclocal.m4: Update macros for autoconf 2.59 style.
5349 * configure.ac: Likewise.
5351 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5353 * pa.c (function_value): Handle small aggregates on 32-bit targets.
5354 (function_arg): Pass small aggregates in general registers on 32-bit
5356 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
5358 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
5360 * Makefile.in (final.o): Fix dependencies.
5362 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
5366 * langhooks.h (struct lang_hooks): Add expr_to_decl.
5367 * langhooks.c (lhd_expr_to_decl): New.
5368 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
5370 (LANG_HOOKS_INITIALIZER): Update.
5371 * tree.c (recompute_tree_invarant_for_addr_expr): Call
5372 expr_to_decl langhook.
5373 * c-tree.h (c_expr_to_decl): Declare.
5374 * c-typeck.c (c_expr_to_decl): New.
5375 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
5377 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
5379 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
5382 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
5383 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
5385 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
5387 * Makefile.in: Adjust dependencies.
5388 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
5389 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
5390 * alias.c (rest_of_handle_cfg, pass_cfg): New.
5391 * bb-reorder.c (duplicate_computed_gotos): Make it static.
5392 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
5393 rest_of_compilation.
5395 * bb-reorder.c (gate_duplicate_computed_gotos,
5396 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
5397 rest_of_handle_reorder_blocks, pass_reorder_blocks,
5398 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
5399 pass_partition_blocks): New.
5400 * bt-load.c (gate_handle_branch_target_load_optimize,
5401 rest_of_handle_branch_target_load_optimize,
5402 pass_branch_target_load_optimize): New.
5403 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
5405 * cfglayout.c (pass_insn_locators_initialize): New.
5406 * cfgrtl.c (pass_free_cfg): New.
5407 * combine.c (gate_handle_combine, rest_of_handle_combine,
5409 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
5410 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
5411 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
5412 * except.c (pass_set_nothrow_function_flags,
5413 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
5415 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
5416 rest_of_handle_shorten_branches, pass_shorten_branches,
5417 rest_of_clean_state, pass_clean_state): New.
5418 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
5419 rest_of_handle_remove_death_notes, pass_remove_death_notes,
5420 rest_of_handle_life, pass_life, rest_of_handle_flow2,
5422 * function.c (pass_instantiate_virtual_regs, pass_init_function,
5423 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
5424 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
5425 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
5427 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
5428 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
5429 pass_rtl_ifcvt, gate_handle_if_after_combine,
5430 rest_of_handle_if_after_combine, pass_if_after_combine,
5431 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
5432 pass_if_after_reload): New.
5433 * integrate.c (pass_initial_value_sets): New.
5434 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
5435 pass_purge_lineno_notes): New.
5436 * mode-switching.c (rest_of_handle_mode_switching,
5437 pass_mode_switching): New.
5438 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
5439 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
5441 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
5442 pass_loop_optimize): New.
5443 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
5445 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
5447 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
5448 pass_postreload_cse): New.
5449 * profile.c (gate_handle_profiling, pass_profiling,
5450 rest_of_handle_branch_prob, pass_branch_prob): New.
5451 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
5452 pass_split_before_regstack, gate_handle_split_before_regstack,
5453 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
5454 rest_of_handle_split_all_insns, pass_split_all_insns): New.
5455 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
5456 pass_stack_regs): New.
5457 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
5458 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
5459 pass_stack_adjustments): New.
5460 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
5461 pass_regrename): New.
5462 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
5463 pass_delay_slots, gate_handle_machine_reorg,
5464 rest_of_handle_machine_reorg, pass_machine_reorg): New.
5465 * rtl.h (extern void purge_line_number_notes): New.
5466 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
5467 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
5469 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
5471 * value-prof.c (gate_handle_value_profile_transformations,
5472 rest_of_handle_value_profile_transformations,
5473 pass_value_profile_transformations): New.
5474 * var-tracking.c (gate_handle_var_tracking,
5475 pass_variable_tracking): New.
5476 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
5478 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
5479 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
5480 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
5481 rest_of_handle_old_regalloc, rest_of_handle_regrename,
5482 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
5483 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
5484 rest_of_handle_gcse2, rest_of_handle_regmove,
5485 rest_of_handle_tracer, rest_of_handle_if_conversion,
5486 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
5487 rest_of_handle_web, rest_of_handle_branch_prob,
5488 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
5489 rest_of_handle_jump_bypass, rest_of_handle_combine,
5490 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5491 rest_of_handle_gcse, rest_of_handle_loop_optimize,
5492 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
5493 rest_of_handle_mode_switching, rest_of_handle_jump,
5494 rest_of_handle_eh, rest_of_handle_stack_adjustments,
5495 rest_of_handle_flow2, rest_of_handle_jump2,
5496 rest_of_handle_peephole2, rest_of_handle_postreload,
5497 rest_of_handle_shorten_branches, rest_of_clean_state,
5498 rest_of_compilation): Remove.
5500 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
5501 * passes.c (dump_flags, in_gimple_form, all_passes,
5502 all_ipa_passes, all_lowering_passes, register_one_dump_file,
5503 register_dump_files, next_pass_1, last_verified, execute_todo,
5504 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
5505 from tree-optimize.c.
5506 (init_optimization_passes): Moved from tree-optimize.c,
5507 adding the RTL optimizations.
5508 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
5509 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
5510 all_ipa_passes, all_lowering_passes, register_one_dump_file,
5511 register_dump_files, next_pass_1, last_verified, execute_todo,
5512 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
5513 init_tree_optimization_passes, ipa_passes): Delete.
5514 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
5516 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
5517 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
5519 (ipa_passes): Remove.
5520 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
5521 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
5522 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
5523 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
5524 (dump_info_p, dump_flag): Moved to tree-dump.h.
5526 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
5528 * passes.c (finish_optimization_passes): Use dump_begin
5529 and dump_end, TDI_end.
5530 (gate_rest_of_compilation): New.
5531 (pass_rest_of_compilation): Use it.
5532 (gate_postreload, pass_postreload): New.
5533 * toplev.c (general_init): Rename init_tree_optimization_passes.
5534 * toplev.h (init_tree_optimization_passes): Rename to
5535 init_optimizations_passes.
5536 * tree-dump.c (dump_flag): Make static.
5537 (dump_files): Remove RTL dumps.
5538 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
5539 pass_cleanup_cfg, pass_free_cfg_annotations,
5540 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
5541 pass_init_datastructures, pass_fixup_cfg): Make non-static.
5542 * tree-pretty-print.c: Include tree-pass.h.
5543 * cgraph.c: Include tree-dump.h.
5545 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
5547 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
5548 Only fall back to saying it points to readonly memory if
5551 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5553 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
5554 * config/m32r/m32r.c (m32r_compute_frame_size,
5555 m32r_expand_prologue): Take current_function_profile into
5556 account whenever we reference
5557 current_function_uses_pic_offset_table.
5558 (m32r_finalize_pic): Remove.
5559 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
5561 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
5563 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
5564 instead of $<. Don't remove ./as if it already exists.
5566 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5569 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
5570 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
5571 for complex modes when generating code for PA 1.0.
5572 (VALID_FP_MODE_P): New macro.
5573 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
5574 sets for all general and floating point modes. Align wide floating
5575 point modes to even register boundaries to comply with architectural
5577 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
5578 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
5579 (VALID_FP_MODE_P): New macro.
5580 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
5581 sets for all general and floating point modes. Align wide floating
5582 point modes to even register boundaries to comply with architectural
5585 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5587 * tree-dump.c (dump_files): Initialize dump number for .cgraph
5590 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5592 * tree-ssa-structalias.c: Don't include expr.h.
5594 2005-07-04 Diego Novillo <dnovillo@redhat.com>
5596 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
5599 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
5601 Fix PR tree-optimization/22279
5603 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
5606 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
5608 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
5610 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
5612 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
5613 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
5614 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
5615 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
5616 config/stormy16/stormy16.c, config/v850/v850.c,
5617 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
5618 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
5619 Avoid "." or "\n" at end of diagnostics and capital letters at
5620 start of diagnostics.
5621 * combine.c, cse.c: Don't translate dump file output.
5622 * toplev.c (print_version): Only translate output if going to
5625 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
5627 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
5628 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
5631 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5633 * pa.c (fix_range): Fix typo in comment.
5635 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
5637 * tree-vrp.c (extract_range_from_assert): Replace
5638 fold (build (...)) with fold_build2.
5640 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5642 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
5643 gcc_gfc_char_table, init_dynamic_gfc_info): New.
5644 (format_types_orig, handle_format_attribute): Add support for
5647 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
5649 * varasm.c (assemble_variable): Fix format specifier thinko.
5651 2005-07-03 Ira Rosen <irar@il.ibm.com>
5653 PR tree-optimization/22029 (and 22135)
5654 * tree-pretty-print.c (dump_generic_node): Check that the node is not
5655 a phi node before calling dump_vops.
5657 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
5659 * tree-dump.h (dump_string_field): Declare.
5660 * tree-dump.c: Use it instead of dump_string.
5661 (dump_string_field): Make non-static.
5663 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
5665 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
5666 up the minimal CFG stuff always when optimize > 0. Call
5667 split_all_insns_noflow in PIC case if needed.
5669 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
5670 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
5673 * c-decl.c (c_write_global_declarations): Dump contents of
5675 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
5676 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
5677 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
5678 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
5681 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
5683 * c-common.h (GCC_DIAG_STYLE): Define.
5684 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
5685 version for format checking to 4.1.
5686 * c-format.c: Include toplev.h after c-common.h.
5687 (enum format_type): Add gcc_tdiag_format_type.
5688 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
5689 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
5690 (format_types_orig): Add gcc_tdiag.
5691 (init_dynamic_diag_info): Support gcc_tdiag formats.
5692 (handle_format_attribute): Likewise.
5693 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
5694 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
5695 version for format checking to 4.1.
5696 (warning0, warning, error, pedwarn, sorry): Use
5698 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
5699 (finish_aliases_1): Do not use %qE.
5700 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
5701 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
5702 Correct format bugs.
5703 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
5704 parameter to unsigned HOST_WIDE_INT.
5705 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
5707 2005-07-02 David Edelsohn <edelsohn@gnu.org>
5710 * expr.c (write_complex_part): Use adjust_address for MEM.
5711 (read_complex_part): Same.
5713 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
5715 Fix PR tree-optimization/22280
5717 * tree-sra.c (generate_element_init): Remove useless loop.
5719 2005-07-02 Richard Henderson <rth@redhat.com>
5721 * config/alpha/alpha.c (alpha_legitimize_address): Check for
5723 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
5725 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
5728 * fold-const.c (fold_binary): Handle the return value of
5729 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
5730 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
5732 2005-07-02 Jeff Law <law@redhat.com>
5734 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
5735 a eliminate type conversion which feeds an equality comparison
5736 if the original type or either operand in the comparison is a
5739 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
5741 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
5742 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
5744 * config/avr/avr.c: Do not use '`' as left quote.
5745 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
5746 Remove "." from end of diagnostics. Make diagnostics start with
5749 2005-07-02 Zack Weinberg <zack@codesourcery.com>
5750 Joseph S. Myers <joseph@codesourcery.com>
5752 * toplev.c (default_tree_printer): Handle setting location with
5754 * c-objc.common.c (c_tree_printer): Likewise.
5755 * c-format.c (gcc_diag_flag_specs): Add '+'.
5756 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
5757 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
5759 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
5760 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
5761 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
5762 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
5763 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
5764 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
5765 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
5766 format arguments where %J is used without %D.
5768 2005-07-02 Jakub Jelinek <jakub@redhat.com>
5770 * gcc.c (LINK_SSP_SPEC): Define.
5771 (link_ssp_spec): New variable.
5772 (LINK_COMMAND_SPEC): Add %(link_ssp).
5773 (static_specs): Add link_ssp_spec.
5774 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
5775 * configure: Rebuilt.
5776 * config.in: Rebuilt.
5778 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5779 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5780 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5781 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
5782 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
5783 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
5784 -0x7008(2) instead of reading __stack_chk_guard variable.
5785 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
5787 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
5788 (stack_protect_set, stack_protect_test): Use *_tls* patterns
5789 if TARGET_THREAD_SSP_OFFSET is defined.
5790 (stack_tls_protect_set_si, stack_tls_protect_set_di,
5791 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
5794 2005-06-27 Richard Henderson <rth@redhat.com>
5795 * libgcc-std.ver (GCC_4.1.0): New.
5796 * libgcc.h (__stack_chk_guard): Declare.
5797 (__stack_chk_fail, __stack_chk_fail_local): Declare.
5798 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
5799 * mklibgcc.in (lib2funcs): Add them.
5801 2005-07-01 Richard Henderson <rth@redhat.com>
5803 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
5804 void * before struct sigcontext *.
5805 (x86_fallback_frame_state): Likewise.
5807 2005-07-01 James E. Wilson <wilson@specifixinc.com>
5809 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
5811 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
5814 * tree-ssa-reassoc.c (should_transpose): Fix which operand
5815 we check for SSA_NAME for.
5817 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
5819 Fix PR tree-optimization/22071
5821 * tree-ssa-structalias.c (offset_overlaps_with_access): New
5823 (get_constraint_for_component_ref): Use it.
5825 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
5828 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
5829 print out the last new line.
5831 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
5833 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5834 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5835 * config/cris/cris.c (cris_conditional_register_usage): Adjust
5836 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5837 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5838 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5839 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5840 (enum reg_class): New member CC0_REGS.
5841 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5842 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5843 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5844 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5845 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5846 Adjust for register now described.
5848 2005-07-01 Jakub Jelinek <jakub@redhat.com>
5851 * config/i386/i386.md (stack_protect_test_si,
5852 stack_protect_test_di): Add earlyclobber for scratch 3.
5853 * config/rs6000/rs6000.md (stack_protect_testsi,
5854 stack_protect_testdi): Add earlyclobber for scratch 3,
5855 remove earlyclobber from scratch 4.
5857 Older entries for 2005 can be found in ChangeLog-2005.